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Nature of Operations and Consolidation Level 4 Nature of Operations and Consolidation (Details) | 6 Months Ended | 0 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jul. 30, 2013 Subsequent Event [Member] | Jul. 30, 2013 Subsequent Event [Member]
Nature of Operations and Consolidation [Abstract] |  |  |
Shares of common stock issued in IPO | 13,529,412 |  |
Ownership percentage of majority stockholder after initial IPO | 68.70% | 40.20% | 40.20%
Subsequent Event [Line Items] |  |  |
Stock issued in secondary offering |  | 10,000,000 |
Treasury Stock, Shares, Acquired |  |  | 3,864,062
Ownership percentage of majority stockholder after secondary offering | 68.70% | 40.20% | 40.20%

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