REDEEMABLE SERIES A PREFERRED STOCK (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		12 Months Ended
	Apr. 30, 2014	Jan. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Schedule of Capitalization, Equity [Line Items]
Preferred stock, shares issued			0	0
Series A Preferred
Schedule of Capitalization, Equity [Line Items]
Rate of return (as a percent)			15.00%
T.Rowe Price
Schedule of Capitalization, Equity [Line Items]
Number of redeemable shares distributed to existing holders of common stock (in shares)		143,339
Value of redeemable shares		$ 26,900
Value of options		3,100
Value of investment		50,000
General corporate expenses		20,000
Shareholder distributions		$ 30,000
T.Rowe Price | Series A Preferred
Schedule of Capitalization, Equity [Line Items]
Preferred stock, shares issued		2,986,229
Purchase price (in dollars per share)		$ 16.74
Janus
Schedule of Capitalization, Equity [Line Items]
Value of redeemable shares	$ 26,500
Value of options	$ 2,300
Janus | Series A Preferred
Schedule of Capitalization, Equity [Line Items]
Preferred stock, shares issued	3,225,127
Purchase price (in dollars per share)	$ 16.74
Number of redeemable shares distributed to existing holders of common stock (in shares)	195,545
Value of investment	$ 54,000
General corporate expenses	25,200
Shareholder distributions	$ 28,800
Minimum | Series A Preferred
Schedule of Capitalization, Equity [Line Items]
Market price of company			$ 5,000,000