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STOCKHOLDERS' EQUITY - Warrants (Details) - $ / shares |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | ---
Nov. 01, 2010 | Aug. 07, 2015 | Nov. 30, 2010 | Jun. 30, 2015
Class of Stock [Line Items] |  |  |  |
Exercise price of warrants for non-voting common stock | $ 11.00 |  |  | $ 9.13
Cor Advisors Llc |  |  |  |
Class of Stock [Line Items] |  |  |  |
Warrants issued | 1,395,000 |  |  |
Exercise price of warrants for non-voting common stock | $ 11.00 |  |  |
Tcw Shared Opportunity Fund |  |  |  |
Class of Stock [Line Items] |  |  |  |
Warrants issued | 240,000 |  | 240,000 |
Exercise price of warrants for non-voting common stock | $ 11.00 |  |  |
Warrant exercisable period | 5 years |  | 5 years |
President And Chief Executive Officer | Cor Advisors Llc |  |  |  |
Class of Stock [Line Items] |  |  |  |
Warrants issued | 960,000 |  |  |
Vice President and Chief Lending Officer | Cor Advisors Llc |  |  |  |
Class of Stock [Line Items] |  |  |  |
Warrants issued | 435,000 |  |  |
Subsequent Event |  |  |  |
Class of Stock [Line Items] |  |  |  |
Exercise price of warrants for non-voting common stock |  | $ 9.13 |  |
Common Stock | Class B Common Stock | Subsequent Event |  |  |  |
Class of Stock [Line Items] |  |  |  |
Issuance of shares of voting common stock |  | 70,690 |  |
Common Stock | Class A Common Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Issuance of shares of voting common stock |  |  |  | 3,251,036
Common Stock | Class A Common Stock | Subsequent Event |  |  |  |
Class of Stock [Line Items] |  |  |  |
Issuance of shares of voting common stock |  | 70,690 |  |

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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