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Consolidated Statements of Shareholders' Equity (USD $) In Thousands
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Total
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Common Stock [Member]
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Additional Paid-in Capital [Member]
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Retained Earnings [Member]
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Accumulated Other Comprehensive Income (Loss) [Member]
|
Treasury Stock [Member]
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Noncontrolling Interest [Member]
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| Beginning balance at Dec. 31, 2011 |
$ 471,682us-gaap_StockholdersEquity |
$ 691us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ 573,950us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
$ 466,727us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ (439)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
$ (569,247)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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| Beginning balance Treasury Stock, Shares at Dec. 31, 2011 |
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|
|
|
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23,570us-gaap_TreasuryStockShares / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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| Beginning balance in Shares at Dec. 31, 2011 |
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69,118us-gaap_CommonStockSharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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|
|
|
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| Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |
271,804us-gaap_ProfitLoss |
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|
|
|
|
|
| Noncontrolling Interest in Variable Interest Entity |
|
|
|
|
|
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0us-gaap_NoncontrollingInterestInVariableInterestEntity / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
| NET INCOME |
271,804us-gaap_NetIncomeLoss |
|
|
271,804us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
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|
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| Other Comprehensive Income (Loss), Net of Tax |
1,303us-gaap_OtherComprehensiveIncomeLossNetOfTax |
|
|
|
|
|
|
| Proceeds from Noncontrolling Interests |
0us-gaap_ProceedsFromMinorityShareholders |
|
|
|
|
|
|
| Net Income (Loss) Attributable to Noncontrolling Interest |
0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
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|
|
|
|
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| Other-than-temporary impairment losses related to available for sale securities, net of income taxes of $65, $0, $0 |
0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities |
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|
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| Total Comprehensive Income |
273,107us-gaap_ComprehensiveIncomeNetOfTax |
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|
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| Dividends |
|
0us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(789)us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
(79,296)us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
|
|
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| Exercise of Common Stock options, shares |
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132us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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|
|
|
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| Exercise of Common Stock options |
(78,507)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |
(2)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(2,109)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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| Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |
|
209us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Issuance of Restricted Common Stock, net value |
(2,111)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures |
(2)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(4,389)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
|
|
|
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| Tax benefit from exercise of stock options |
(4,387)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |
|
898us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
|
|
|
|
| Amortization of unearned compensation |
898us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |
|
6,495us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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|
|
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| Share-based Compensation |
6,495us-gaap_ShareBasedCompensation |
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|
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|
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| Treasury Stock, Shares, Acquired |
|
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|
|
|
4,839us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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| Convertible note hedge transactions, net of tax |
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6,495idcc_ConvertibleNoteHedgeTransactionsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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| Issuance of Warrants during period |
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|
(152,694)us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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|
|
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| Treasury Stock, Value, Acquired, Cost Method |
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|
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(152,694)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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| Ending balance at Dec. 31, 2012 |
518,705us-gaap_StockholdersEquity |
695us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
579,852us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
659,235us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
864us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
(721,941)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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| Ending balance Treasury Stock, Shares at Dec. 31, 2012 |
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|
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|
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28,409us-gaap_TreasuryStockShares / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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| Ending balance in Shares at Dec. 31, 2012 |
|
69,459us-gaap_CommonStockSharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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|
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|
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| Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |
38,165us-gaap_ProfitLoss |
|
|
|
|
|
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| Noncontrolling Interest in Variable Interest Entity |
5,170us-gaap_NoncontrollingInterestInVariableInterestEntity |
|
|
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5,170us-gaap_NoncontrollingInterestInVariableInterestEntity / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
| NET INCOME |
35,683us-gaap_NetIncomeLoss |
|
|
|
|
|
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| Other Comprehensive Income (Loss), Net of Tax |
(878)us-gaap_OtherComprehensiveIncomeLossNetOfTax |
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|
|
|
|
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| Proceeds from Noncontrolling Interests |
7,652us-gaap_ProceedsFromMinorityShareholders |
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|
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|
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7,652us-gaap_ProceedsFromMinorityShareholders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
| Net Income (Loss) Attributable to Noncontrolling Interest |
(2,482)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
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|
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(2,482)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
| Other-than-temporary impairment losses related to available for sale securities, net of income taxes of $65, $0, $0 |
0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities |
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| Total Comprehensive Income |
34,805us-gaap_ComprehensiveIncomeNetOfTax |
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| Dividends |
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0us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(297)us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
16,682us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
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|
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| Exercise of Common Stock options, shares |
|
49us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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|
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|
|
| Exercise of Common Stock options |
(16,385)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |
0us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(1,032)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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| Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |
|
106us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
|
|
|
|
|
| Issuance of Restricted Common Stock, net value |
(1,032)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures |
(1)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(2,459)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
|
|
|
|
| Tax benefit from exercise of stock options |
(2,458)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |
|
815us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
|
|
|
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| Amortization of unearned compensation |
815us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |
|
15,940us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
|
|
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| Share-based Compensation |
15,940us-gaap_ShareBasedCompensation |
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|
|
|
|
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| Treasury Stock, Shares, Acquired |
|
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917us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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| Deferred financing costs allocated to equity |
|
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2,848us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
|
|
|
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| Treasury Stock, Value, Acquired, Cost Method |
|
|
|
|
|
(29,134)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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| Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |
533,820us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
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| Ending balance at Dec. 31, 2013 |
528,650us-gaap_StockholdersEquity |
696us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
598,325us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
680,718us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
(14)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
(751,075)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
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| Ending balance Treasury Stock, Shares at Dec. 31, 2013 |
29,326us-gaap_TreasuryStockShares |
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29,326us-gaap_TreasuryStockShares / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
|
| Ending balance in Shares at Dec. 31, 2013 |
69,614us-gaap_CommonStockSharesIssued |
69,614us-gaap_CommonStockSharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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|
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|
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| Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |
104,342us-gaap_ProfitLoss |
|
|
|
|
|
|
| Noncontrolling Interest in Variable Interest Entity |
7,349us-gaap_NoncontrollingInterestInVariableInterestEntity |
|
|
|
|
|
7,349us-gaap_NoncontrollingInterestInVariableInterestEntity / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
| NET INCOME |
101,420us-gaap_NetIncomeLoss |
|
|
|
|
|
|
| Other Comprehensive Income (Loss), Net of Tax |
12us-gaap_OtherComprehensiveIncomeLossNetOfTax |
|
|
|
|
|
|
| Proceeds from Noncontrolling Interests |
5,101us-gaap_ProceedsFromMinorityShareholders |
|
|
|
|
|
5,101us-gaap_ProceedsFromMinorityShareholders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
| Net Income (Loss) Attributable to Noncontrolling Interest |
(2,922)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
|
|
|
|
|
(2,922)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
| Other-than-temporary impairment losses related to available for sale securities, net of income taxes of $65, $0, $0 |
120us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities |
|
|
|
|
|
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| Total Comprehensive Income |
101,552us-gaap_ComprehensiveIncomeNetOfTax |
|
|
|
|
|
|
| Dividends |
|
|
(857)us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
28,010us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
|
|
|
| Exercise of Common Stock options, shares |
21us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |
21us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
|
|
|
|
|
| Exercise of Common Stock options |
(27,153)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |
0us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(402)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
|
|
|
|
| Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |
|
165us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
|
|
|
|
|
| Issuance of Restricted Common Stock, net value |
(402)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures |
(2)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(2,740)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
|
|
|
|
| Tax benefit from exercise of stock options |
(2,738)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |
|
(1,176)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
|
|
|
|
| Amortization of unearned compensation |
(1,176)us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |
|
18,494us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
|
|
|
|
| Share-based Compensation |
18,494us-gaap_ShareBasedCompensation |
|
|
|
|
|
|
| Treasury Stock, Shares, Acquired |
|
|
|
|
|
3,554us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
|
| Treasury Stock, Value, Acquired, Cost Method |
|
|
|
|
|
(152,625)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
|
| Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |
475,677us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
|
|
|
|
|
|
| Ending balance at Dec. 31, 2014 |
$ 468,328us-gaap_StockholdersEquity |
$ 698us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ 614,162us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
$ 757,050us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ 118us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
$ (903,700)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
|
| Ending balance Treasury Stock, Shares at Dec. 31, 2014 |
32,880us-gaap_TreasuryStockShares |
|
|
|
|
32,880us-gaap_TreasuryStockShares / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
|
| Ending balance in Shares at Dec. 31, 2014 |
69,800us-gaap_CommonStockSharesIssued |
69,800us-gaap_CommonStockSharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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|