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Consolidated Statements of Changes in Stockholder's Equity/Partners' Deficit (Parenthetical) (Class A Common Stock, USD $)
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12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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Class A Common Stock
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| Common stock dividends, per share |
$ 0.48us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
$ 0.12us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
| X | ||||||||||
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- Definition
Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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