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Supplemental Cash Flow Information (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Supplemental Cash Flow Information [Abstract] |  |  |
Estimated federal income taxes paid | $ 0 actg_Estimatedfederalincometaxespaid | $ 3,000,000 actg_Estimatedfederalincometaxespaid | $ 0 actg_Estimatedfederalincometaxespaid
Income Taxes Receivable |  | 3,251,000 us-gaap_IncomeTaxReceivable |
Accrued distribution to noncontrolling interest | 0 actg_AccruedDistributionToNoncontrollingInterest | 504,000 actg_AccruedDistributionToNoncontrollingInterest |
Cash paid for state income taxes | 172,000 actg_CashPaidForStateIncomeTaxes | 516,000 actg_CashPaidForStateIncomeTaxes | 771,000 actg_CashPaidForStateIncomeTaxes
Foreign withholding taxes | $ 5,159,000 actg_ForeignWithholdingTaxes | $ 4,605,000 actg_ForeignWithholdingTaxes | $ 11,890,000 actg_ForeignWithholdingTaxes

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- Definition Cash paid for state income taxes during the period. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 8 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Subparagraph c -Article 7 + Details
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- Details
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