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CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (Parenthetical) (USD $) | 12 Months Ended
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Dec. 31, 2013
Statement of Stockholders' Equity [Abstract] |
Conversion of Convertible Preferred Stock Value Per Share | $ 8.00

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- Definition Refers to per share value of conversion of convertible preferred stock. + References No definition available. + Details
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Balance Type: | na
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