|
Income Taxes (Details) (USD $)
|
12 Months Ended | 108 Months Ended | ||
|---|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2014
|
|
| Income Tax Contingency [Line Items] | ||||
| Additions | $ 95,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions | $ 0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions | $ 0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions | |
| Excess Tax Benefit from Share-based Compensation, Operating Activities | 1,176,000us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities | |
| Excess Tax Benefit from Share-based Compensation, Financing Activities | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 815,000us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 898,000us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | |
| Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation | (2,738,000)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation | (2,458,000)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation | (4,387,000)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation | |
| Federal | 49,049,000us-gaap_CurrentFederalTaxExpenseBenefit | (6,093,000)us-gaap_CurrentFederalTaxExpenseBenefit | 93,441,000us-gaap_CurrentFederalTaxExpenseBenefit | |
| State | 2,499,000us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 225,000us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 44,000us-gaap_CurrentStateAndLocalTaxExpenseBenefit | |
| Foreign source withholding tax | 70,703,000us-gaap_CurrentForeignTaxExpenseBenefit | 23,269,000us-gaap_CurrentForeignTaxExpenseBenefit | 4,173,000us-gaap_CurrentForeignTaxExpenseBenefit | |
| Current Income Tax Expense (Benefit) | 122,251,000us-gaap_CurrentIncomeTaxExpenseBenefit | 17,401,000us-gaap_CurrentIncomeTaxExpenseBenefit | 97,658,000us-gaap_CurrentIncomeTaxExpenseBenefit | |
| Federal | (121,937,000)us-gaap_DeferredFederalIncomeTaxExpenseBenefit | (18,727,000)us-gaap_DeferredFederalIncomeTaxExpenseBenefit | 22,209,000us-gaap_DeferredFederalIncomeTaxExpenseBenefit | |
| State | (437,000)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | 2,614,000us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | (4,494,000)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | |
| Foreign source withholding tax | 52,231,000us-gaap_DeferredForeignIncomeTaxExpenseBenefit | 24,548,000us-gaap_DeferredForeignIncomeTaxExpenseBenefit | 21,457,000us-gaap_DeferredForeignIncomeTaxExpenseBenefit | |
| Deferred income taxes | (70,143,000)us-gaap_DeferredIncomeTaxExpenseBenefit | 8,435,000us-gaap_DeferredIncomeTaxExpenseBenefit | 39,172,000us-gaap_DeferredIncomeTaxExpenseBenefit | |
| Income Tax Expense (Benefit) | 34.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 41.90%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 33.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations | |
| Net operating losses | 168,960,000us-gaap_OperatingIncomeLoss | 84,756,000us-gaap_OperatingIncomeLoss | 419,030,000us-gaap_OperatingIncomeLoss | |
| Deferred Tax Assets, Operating Loss Carryforwards | 71,841,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 70,602,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 71,841,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | |
| Deferred revenue, net | 73,273,000us-gaap_DeferredTaxAssetsDeferredIncome | 12,809,000us-gaap_DeferredTaxAssetsDeferredIncome | 73,273,000us-gaap_DeferredTaxAssetsDeferredIncome | |
| Stock compensation | 12,318,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 8,694,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 12,318,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | |
| Patent amortization | 18,337,000idcc_DeferredTaxAssetAmortizationOfIntangibles | 16,424,000idcc_DeferredTaxAssetAmortizationOfIntangibles | 18,337,000idcc_DeferredTaxAssetAmortizationOfIntangibles | |
| Deferred Tax Asset Depreciation | 1,139,000idcc_DeferredTaxAssetDepreciation | 1,464,000idcc_DeferredTaxAssetDepreciation | 1,139,000idcc_DeferredTaxAssetDepreciation | |
| Deferred Tax Asset OTTI | 10,164,000idcc_DeferredTaxAssetOTTI | 10,116,000idcc_DeferredTaxAssetOTTI | 10,164,000idcc_DeferredTaxAssetOTTI | |
| Other accrued liabilities | 1,069,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | 1,088,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | 1,069,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | |
| Other employee benefits | 9,452,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits | 5,014,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits | 9,452,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits | |
| Deferred Tax Assets Net Before Deducting Valuation Allowance | 197,593,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance | 126,211,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance | 197,593,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance | |
| Less: valuation allowance | 71,731,000us-gaap_DeferredTaxAssetsValuationAllowance | 70,492,000us-gaap_DeferredTaxAssetsValuationAllowance | 71,731,000us-gaap_DeferredTaxAssetsValuationAllowance | |
| Net deferred tax asset | 125,862,000us-gaap_DeferredTaxAssetsNet | 55,719,000us-gaap_DeferredTaxAssetsNet | 125,862,000us-gaap_DeferredTaxAssetsNet | |
| Tax at U.S. statutory rate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | |
| State | 0.10%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | 4.10%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | (1.10%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | |
| Change in federal and state valuation allowance | 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance | 0.40%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance | (0.50%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance | |
| Adjustment to tax credits | (4.70%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits | 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits | 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits | |
| Adjustments to uncertain tax positions | 0.90%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies | 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies | 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies | |
| Permanent differences | 1.50%us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent | 3.50%us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent | 0.10%us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent | |
| Settlement with taxing authorities | 1.10%us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements | 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements | 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements | |
| Other | 0.10%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | (1.10%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | 0.10%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | |
| Unrecognized Tax Benefits | 0us-gaap_UnrecognizedTaxBenefits | 0us-gaap_UnrecognizedTaxBenefits | ||
| Deferred Tax Assets, Tax Credit Carryforwards, Research | 700,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch | 700,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch | ||
| Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | |
| Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions | 1,266,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions | 0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions | 0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions | |
| Foreign Income Tax Expense (Benefit), Continuing Operations | 5,700,000us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations | |||
| Liability for Uncertain Tax Positions, Noncurrent Balance as of December 31, 2010 | 0us-gaap_LiabilityForUncertainTaxPositionsNoncurrent | 0us-gaap_LiabilityForUncertainTaxPositionsNoncurrent | 0us-gaap_LiabilityForUncertainTaxPositionsNoncurrent | |
| Unrecognized Tax Benefits, Period Increase (Decrease) | 700,000us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease | |||
| Reductions | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions | |
| Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions | |
| Settlements | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | |
| Lapses in statues of limitations | 0us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations | 0us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations | 0us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations | |
| Liability for Uncertain Tax Positions, Noncurrent Balance as of December 31, 2011 | 1,361,000us-gaap_LiabilityForUncertainTaxPositionsNoncurrent | 0us-gaap_LiabilityForUncertainTaxPositionsNoncurrent | 0us-gaap_LiabilityForUncertainTaxPositionsNoncurrent | 1,361,000us-gaap_LiabilityForUncertainTaxPositionsNoncurrent |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 100,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 100,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |
| Income taxes paid, including foreign witholding taxes | 114,876,000us-gaap_IncomeTaxesPaid | 24,961,000us-gaap_IncomeTaxesPaid | 116,871,000us-gaap_IncomeTaxesPaid | |
| Taxes Payable | 0us-gaap_TaxesPayableCurrentAndNoncurrent | 7,056,000us-gaap_TaxesPayableCurrentAndNoncurrent | 0us-gaap_TaxesPayableCurrentAndNoncurrent | |
| Federal | ||||
| Income Tax Contingency [Line Items] | ||||
| Deferred Tax Assets, Operating Loss Carryforwards, Domestic | 0us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
0us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
0us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| Deferred revenue, net | 50,575,000us-gaap_DeferredTaxAssetsDeferredIncome / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
8,564,000us-gaap_DeferredTaxAssetsDeferredIncome / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
50,575,000us-gaap_DeferredTaxAssetsDeferredIncome / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| Stock compensation | 10,567,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
7,606,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
10,567,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| Patent amortization | 18,337,000idcc_DeferredTaxAssetAmortizationOfIntangibles / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
16,424,000idcc_DeferredTaxAssetAmortizationOfIntangibles / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
18,337,000idcc_DeferredTaxAssetAmortizationOfIntangibles / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| Deferred Tax Asset Depreciation | 1,110,000idcc_DeferredTaxAssetDepreciation / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
1,295,000idcc_DeferredTaxAssetDepreciation / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
1,110,000idcc_DeferredTaxAssetDepreciation / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| Deferred Tax Asset OTTI | 10,010,000idcc_DeferredTaxAssetOTTI / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
9,815,000idcc_DeferredTaxAssetOTTI / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
10,010,000idcc_DeferredTaxAssetOTTI / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| Other accrued liabilities | 1,097,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
1,044,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
1,097,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| Other employee benefits | 8,784,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
4,497,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
8,784,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| Deferred Tax Assets Net Before Deducting Valuation Allowance | 100,480,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
49,245,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
100,480,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| Less: valuation allowance | 0us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
0us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
0us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| Net deferred tax asset | 100,480,000us-gaap_DeferredTaxAssetsNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
49,245,000us-gaap_DeferredTaxAssetsNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
100,480,000us-gaap_DeferredTaxAssetsNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
|
| State | ||||
| Income Tax Contingency [Line Items] | ||||
| Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 71,837,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
70,602,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
71,837,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Deferred revenue, net | 41,000us-gaap_DeferredTaxAssetsDeferredIncome / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
56,000us-gaap_DeferredTaxAssetsDeferredIncome / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
41,000us-gaap_DeferredTaxAssetsDeferredIncome / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Stock compensation | 1,751,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
1,088,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
1,751,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Patent amortization | 0idcc_DeferredTaxAssetAmortizationOfIntangibles / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
0idcc_DeferredTaxAssetAmortizationOfIntangibles / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
0idcc_DeferredTaxAssetAmortizationOfIntangibles / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Deferred Tax Asset Depreciation | 29,000idcc_DeferredTaxAssetDepreciation / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
169,000idcc_DeferredTaxAssetDepreciation / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
29,000idcc_DeferredTaxAssetDepreciation / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Deferred Tax Asset OTTI | 154,000idcc_DeferredTaxAssetOTTI / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
301,000idcc_DeferredTaxAssetOTTI / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
154,000idcc_DeferredTaxAssetOTTI / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Other accrued liabilities | (28,000)us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
44,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
(28,000)us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Other employee benefits | 668,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
517,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
668,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Deferred Tax Assets Net Before Deducting Valuation Allowance | 74,452,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
72,777,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
74,452,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Less: valuation allowance | 71,731,000us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
70,492,000us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
71,731,000us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Net deferred tax asset | 2,721,000us-gaap_DeferredTaxAssetsNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
2,285,000us-gaap_DeferredTaxAssetsNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
2,721,000us-gaap_DeferredTaxAssetsNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| Unrecognized Tax Benefits | 12,200,000us-gaap_UnrecognizedTaxBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
12,200,000us-gaap_UnrecognizedTaxBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
12,200,000us-gaap_UnrecognizedTaxBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
|
| New York State Division of Taxation and Finance [Member] | ||||
| Income Tax Contingency [Line Items] | ||||
| Tax Adjustments, Settlements, and Unusual Provisions | 2,500,000us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions / us-gaap_IncomeTaxAuthorityAxis = us-gaap_NewYorkStateDivisionOfTaxationAndFinanceMember |
|||
| Foreign | ||||
| Income Tax Contingency [Line Items] | ||||
| Deferred Tax Assets, Operating Loss Carryforwards, Foreign | 4,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
4,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Deferred revenue, net | 22,657,000us-gaap_DeferredTaxAssetsDeferredIncome / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
4,189,000us-gaap_DeferredTaxAssetsDeferredIncome / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
22,657,000us-gaap_DeferredTaxAssetsDeferredIncome / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Stock compensation | 0us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Patent amortization | 0idcc_DeferredTaxAssetAmortizationOfIntangibles / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0idcc_DeferredTaxAssetAmortizationOfIntangibles / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0idcc_DeferredTaxAssetAmortizationOfIntangibles / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Deferred Tax Asset Depreciation | 0idcc_DeferredTaxAssetDepreciation / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0idcc_DeferredTaxAssetDepreciation / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0idcc_DeferredTaxAssetDepreciation / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Deferred Tax Asset OTTI | 0idcc_DeferredTaxAssetOTTI / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0idcc_DeferredTaxAssetOTTI / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0idcc_DeferredTaxAssetOTTI / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Other accrued liabilities | 0us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Other employee benefits | 0us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Deferred Tax Assets Net Before Deducting Valuation Allowance | 22,661,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
4,189,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
22,661,000idcc_DeferredTaxAssetsNetBeforeDeductingValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Less: valuation allowance | 0us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
0us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Net deferred tax asset | 22,661,000us-gaap_DeferredTaxAssetsNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
4,189,000us-gaap_DeferredTaxAssetsNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
22,661,000us-gaap_DeferredTaxAssetsNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
|
| Income taxes paid, including foreign witholding taxes | $ 70,700,000us-gaap_IncomeTaxesPaid / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
$ 23,300,000us-gaap_IncomeTaxesPaid / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
$ 3,600,000us-gaap_IncomeTaxesPaid / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
$ 239,800,000us-gaap_IncomeTaxesPaid / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
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- Definition
Deferred Tax Asset Amortization of Intangibles No definition available.
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| X | ||||||||||
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- Definition
Deferred Tax Asset Depreciation No definition available.
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| X | ||||||||||
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- Definition
Deferred Tax Asset OTTI No definition available.
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| X | ||||||||||
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- Definition
Deferred Tax Assets Net Before Deducting Valuation Allowance No definition available.
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| X | ||||||||||
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- Definition
Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from employee benefit costs not otherwise specified in the taxonomy, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference, between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, that is attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority interest income (expense), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, change in enacted tax rate, prior year income taxes, change in deferred tax asset valuation allowance, and other adjustments. No definition available.
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current and deferred foreign income tax expense (benefit) attributable to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net result for the period of deducting operating expenses from operating revenues. No definition available.
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| X | ||||||||||
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- Definition
Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net amount of all increases and decreases in unrecognized tax benefits for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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