Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable Current Accounts payable Accounts Receivable Net Current Accounts receivable, net of allowance for doubtful accounts of $211 and $142 at December 31, 2013 and 2012, respectively Accrued Income Taxes Balance at end of year Accrued Liabilities Current Accrued liabilities Accrued Royalties Current Accrued royalties Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Less accumulated depreciation and amortization Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) [Member] Acquisition of content rights in exchange for future services. Acquisition Of Content Rights In Exchange For Future Services Acquisition of content rights in exchange for future services Acquisition Of Content Rights In Exchange For Future Services [Member] Acquisition of Content Rights in Exchange for Future Services [Member] Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Stock based compensation Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation Tax benefits from equity awards Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Advance royalty amortization period. Advance Royalty Amortization Period Royalty payments amortization period Advertising Costs Policy [Text Block] Advertising Advertising Expense Advertising expense Allocated Share Based Compensation Expense Total stock based compensation expense Allowance For Credit Losses On Financing Receivables Table [Text Block] Changes in the Allowance for Doubtful Accounts and the Amounts Charged to Bad Debt Expense Allowance For Doubtful Accounts Receivable Allowance Balance at End of Period Allowance Balance at Beginning of Period Allowance For Doubtful Accounts Receivable Current Allowance for doubtful accounts, net Allowance For Doubtful Accounts Receivable Write Offs Write-offs Amendment Flag Amendment Flag Amortization Of Intangible Assets Amortization of intangible assets Amortized cost and fair value debt securities. Amortized Cost And Fair Value Debt Securities [Abstract] Amortized Cost and Fair Value Debt Securities [Abstract] Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Total number of common equivalent shares excluded from the calculations of diluted earnings per share Arrangements And Nonarrangement Transactions [Member] Arrangements and Non-arrangement Transactions [Domain] Assets Segment assets Total assets Assets [Abstract] ASSETS Assets Current Total current assets Assets Current [Abstract] Current assets: Available For Sale Securities Marketable securities Available for sale securities, Fair Value Available For Sale Securities Amortized Cost Available for sale securities, Adjusted Cost Available For Sale Securities Gross Realized Gains Realized gains from sale of marketable securities Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. Available For Sale Securities Gross Unrealized Gain Accumulated In Investments Available for sale securities, Unrealized Gains Amount of accumulated pre-tax unrealized loss before deducting pre-tax unrealized gain on investments in available-for-sale securities impacting investments. Available For Sale Securities Gross Unrealized Loss Accumulated In Investments Available for sale securities, Unrealized Losses Award Type [Axis] Award Type [Axis] Baptist leadership group. Baptist Leadership Group [Member] Baptist Leadership Group [Member] Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition [Axis] Period for achieving targets under acquisition terms. Business Acquisition Contingent Payment Period Contingent upon achievement of certain financial targets and business outcome, term Period to achieve certain financial targets and business outcomes Business Acquisition Cost Of Acquired Entity Transaction Costs Transaction costs associated with the DCI acquisition Business Acquisition Date Of Acquisition Agreement 1 Acquisition date of assets Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued Consideration paid for acquisition in shares Business Acquisition [Line Items] Business Acquisition [Line Items] Business and basis of presentation. Business And Basis Of Presentation [Line Items] Business And Basis Of Presentation [Line Items] Business and basis of presentation. Business And Basis Of Presentation [Table] Business And Basis Of Presentation [Table] Business Combination Contingent Consideration Arrangements Range Of Outcomes Value High Additional consideration paid for acquisition in cash Additional Payment of Consideration Business Combination Disclosure [Text Block] Business Combinations Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Deferred Revenue Net tangible assets include deferred revenue estimated fair value Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Liabilities Noncurrent Purchase price allocation for deferred tax liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles Purchase price allocation for identifiable intangible assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment Purchase price allocation for net tangible assets Business Combinations [Abstract] Business Combinations [Abstract] Capitalization of capitalized software development cost. Capitalization Of Capitalized Software Development Cost Capitalized software development amount Capitalized Computer Software Accumulated Amortization Accumulated amortization on capitalized software development Capitalized Computer Software Net Capitalized software development, net of accumulated amortization of $13,910 and $10,987 at December 31, 2013 and 2012, respectively Capitalized internal development cost. Capitalized Internal Development Cost Capitalized internal development costs for computer software developed for resale Capitalized software development amortization period. Capitalized Software Development Amortization Period Assets amortized cost Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of year Cash and cash equivalents at beginning of year Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net increase (decrease) in cash and cash equivalents Cash And Cash Equivalents Policy [Text Block] Cash Equivalents Certificates Of Deposit [Member] Certificates of Deposit [Member] Collaborative Arrangement Disclosure [Text Block] Collaborative Arrangement Collaborative Arrangement [Member] Collaborative Arrangement [Member] Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] Commercial Paper [Member] Commercial Paper [Member] Commitments And Contingencies Commitments and contingencies Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Text Block] Litigation Common Stock Capital Shares Reserved For Future Issuance Unissued common stock reserved for future stock option grants Common Stock Including Additional Paid In Capital [Member] Common Stock [Member] Common Stock No Par Value Common stock, no par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stocks Including Additional Paid In Capital Common stock, no par value, 75,000 shares authorized; 27,327 and 26,233 shares issued and outstanding at December 31, 2013 and 2012, respectively Compensation And Retirement Disclosure [Abstract] Compensation and Retirement Disclosure [Abstract] Components of income tax liability. Components Of Income Tax Liability Table [Text Block] Components of the Income Tax Liability Comprehensive Income Net Of Tax Comprehensive income Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Credit Risk Concentrations of Credit Risk and Significant Customers Concentration risk number of major customers. Concentration Risk Number Of Major Customers Number of customer single customer representing over 10% of net revenues Concentration Risk Percentage 1 Customer representing over 10% of net revenues Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Consolidation Policy [Text Block] Principles of Consolidation Content rights and deferred service credits. Content Rights And Deferred Service Credits Value assigned to content rights and the deferred service credits Contractual option life range. Contractual Option Life Contractual option life range Corporate Debt Securities [Member] Corporate Debt Securities [Member] Cost Of Goods Sold Excluding Depreciation Depletion And Amortization Cost of revenues (excluding depreciation and amortization) Cost Of Sales [Member] Cost of Revenues (Excluding Depreciation and Amortization) [Member] Costs And Expenses Total operating costs and expenses Costs And Expenses [Abstract] Operating costs and expenses: Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Current Federal Tax Expense Benefit Current federal Current Fiscal Year End Date Current Fiscal Year End Date Current State And Local Tax Expense Benefit Current state Customer Relationships [Member] Customer Related [Member] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Debt Debt Instrument Basis Spread On Variable Rate 1 Variable rate one Debt Instrument Carrying Amount Debt outstanding Debt instrument period of libor rate. Debt Instrument Period Of Libor Rate Period of LIBOR Rate Decision critical Decision Critical [Member] Decision Critical, Inc. [Member] Deferred Charges Policy [Text Block] Prepaid Royalties Deferred Federal Income Tax Expense Benefit Deferred federal Deferred Income Tax Expense Benefit Deferred income taxes Deferred Revenue Arrangement By Type [Table] Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement [Line Items] Deferred Revenue Current Deferred revenue Deferred State And Local Income Tax Expense Benefit Deferred state Deferred Tax Assets Gross Total deferred tax assets Deferred Tax Assets Liabilities Net Net deferred tax liabilities Deferred Tax Assets Net Deferred tax assets, net of valuation allowance Deferred Tax Assets Net [Abstract] Deferred tax assets: Deferred Tax Assets Net Current Deferred tax assets, current Deferred Tax Assets Operating Loss Carryforwards Net operating loss carryforwards Deferred Tax Assets Tax Credit Carryforwards Tax credits Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax Alternative minimum tax credit carryforward Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost Stock based compensation Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities Accrued liabilities Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts Allowance for doubtful accounts Deferred Tax Assets Valuation Allowance Valuation allowance Less: Valuation allowance Deferred Tax Liabilities Total deferred tax liabilities Deferred Tax Liabilities Current Deferred tax liabilities, current Deferred Tax Liabilities Deferred Expense Capitalized Software Capitalized software development Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill Deductible goodwill Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets Nondeductible intangible assets Deferred tax liabilities joint venture investment. Deferred Tax Liabilities Joint Venture Investment Basis difference on investments Deferred Tax Liabilities Net [Abstract] Deferred tax liabilities: Deferred Tax Liabilities Noncurrent Deferred tax liabilities, noncurrent Deferred Tax Liabilities Prepaid Expenses Prepaid assets Deferred Tax Liabilities Property Plant And Equipment Depreciation Deferred Tax Liabilities Tax Deferred Income Deferred revenue Deferred tax liabilities valuation allowances on net operating loss carryforwards. Deferred Tax Liabilities Valuation Allowances On Net Operating Loss Carryforwards Valuation allowance, remaining amount Defined Contribution Pension And Other Postretirement Plans Disclosure [Abstract] Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract] Defined Contribution Plan Maximum Annual Contributions Per Employee Percent Maximum contribution allowed to a plan member Denominator. Denominator [Abstract] Denominator: Depreciation And Amortization Depreciation and amortization of property and equipment Depreciation Depletion And Amortization Depreciation and amortization Description of content rights and deferred service credits agreement. Description Of Content Rights And Deferred Service Credits Agreement Content rights and deferred service credits, description Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Stock Based Compensation Document and entity information. Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Earnings Per Share [Abstract] Net income per share: Earnings Per Share Basic Basic Basic earnings per share Earnings Per Share Diluted Diluted Diluted earnings per share Earnings Per Share Policy [Text Block] Earnings Per Share Earnings Per Share [Text Block] Earnings Per Share Employee Related Liabilities Current Accrued compensation and related expenses Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition 1 Weighted average expense recognition period Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Total unrecognized compensation expense related to non-vested stock options Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options Excess tax benefits realized Employees minimum age eligibility to participate in plan. Employees Minimum Age Eligibility To Participate In Plan Employees minimum age eligibility to participate in plan Employee Stock Option [Member] Stock Options [Member] Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Current Reporting Status Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Public Float Entity Public Float Entity Registrant Name Entity Registrant Name Entity Voluntary Filers Entity Voluntary Filers Entity Well Known Seasoned Issuer Entity Well-known Seasoned Issuer Equipment [Member] Equipment [Member] Equity [Abstract] Equity [Abstract] Equity And Cost Method Investments Policy Non-Marketable Equity Investments Equity Component [Domain] Equity Component [Domain] Excess Tax Benefit From Share Based Compensation Financing Activities Excess tax benefits from equity awards Excess Tax Benefit From Share Based Compensation Operating Activities Excess tax benefits from equity awards Exchangeable service credits expiration period. Exchangeable Service Credits Expiration Period Exchangeable service credits expiration period Exchangeable service credits issued during period. Exchangeable Service Credits Issued During Period Exchangeable service credits issued during period Expenses related to collaborative arrangement. Expenses Related To Collaborative Arrangement Expenses related to collaborative arrangement Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value Inputs Level 1 [Member] Level 1 [Member] Fair Value Inputs Level 2 [Member] Level 2 [Member] Fair Value Measurement Policy Policy [Text Block] Fair Value Measurements Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Of Financial Instruments Policy Financial Instruments Federal income tax payment. Federal Income Tax Payment Federal income tax payment Finite Lived Intangible Assets Accumulated Amortization Accumulated amortization on intangible assets Accumulated Amortization Finite Lived Intangible Assets Amortization Expense After Year Five Thereafter Finite Lived Intangible Assets Amortization Expense Next Twelve Months 2014 Finite Lived Intangible Assets Amortization Expense Year Five 2018 Finite Lived Intangible Assets Amortization Expense Year Four 2017 Finite Lived Intangible Assets Amortization Expense Year Three 2016 Finite Lived Intangible Assets Amortization Expense Year Two 2015 Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Gross Gross Amount Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items]