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NATURE OF OPERATIONS - Initial Public Offering (Details) - Common stock - Class A Common Stock - USD ($) $ / shares in Units, $ in Thousands |  | 11 Months Ended
--- | --- | ---
Feb. 04, 2015 | Dec. 30, 2015
Class of Stock [Line Items] |  |
Shares issued during the period | 5,968,841 | 5,750,000
IPO |  |
Class of Stock [Line Items] |  |
Shares issued during the period | 5,750,000 |
Shares issued, share price (in dollars per share) | $ 21 |
Proceeds of issuance of initial public offering net of underwriting discounts and commissions | $ 112,298 |
Over-allotment option |  |
Class of Stock [Line Items] |  |
Shares issued during the period | 750,000 |

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