EARNINGS PER SHARE - Schedule of Calculation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Numerator:
Net income (loss) attributable to Class A common shareholders		$ 9,175
Denominator:
Weighted average number of shares of Class A common stock outstanding (in shares)	59,596,889	49,986,082
Basic net income per share of Class A common stock (in dollars per share)	$ (0.09)	$ 0.18
Numerator:
Net income (loss) attributable to Class A common shareholders		$ 9,175
Denominator:
Weighted average number of shares of Class A common stock outstanding (in shares)	59,596,889	49,986,082
Add - dilutive effect of:
Diluted weighted average number of shares of Class A common stock outstanding (in shares)	59,596,889	98,098,672
Diluted net income per share of Class A common stock (in dollars per share)	$ (0.09)	$ 0.15
Class A common stock
Numerator:
Net income (loss) attributable to Class A common shareholders	$ (5,539)	$ 9,175
Denominator:
Weighted average number of shares of Class A common stock outstanding (in shares)	59,596,889	49,986,082
Basic net income per share of Class A common stock (in dollars per share)	$ (0.09)	$ 0.18
Numerator:
Net income (loss) attributable to Class A common shareholders	$ (5,539)	$ 9,175
Add (deduct) - dilutive effect of:
Amounts attributable to operating partnership’s share of Ladder Capital Corp net income (loss)	0	8,596
Additional corporate tax (expense) benefit	0	(3,540)
Diluted Net income (loss) available for Class A common shareholders	$ (5,539)	$ 14,231
Denominator:
Weighted average number of shares of Class A common stock outstanding (in shares)	59,596,889	49,986,082
Add - dilutive effect of:
Shares issuable relating to converted Class B common shareholders (in shares)	0	47,645,531
Incremental shares of unvested Class A restricted stock (in shares)	0	467,059
Diluted weighted average number of shares of Class A common stock outstanding (in shares)	59,596,889	98,098,672
Diluted net income per share of Class A common stock (in dollars per share)	$ (0.09)	$ 0.15