FAIR VALUE MEASUREMENTS - CHANGE IN FAIR VALUE INTEREST RATE LOCK COMMITMENTS (Details) - Interest rate lock commitments - Level 3 - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Interest rate lock commitments at beginning of period	$ 1,607	$ 483	$ 408	$ 342
Issuances	3,294	1,824	8,489	4,609
Settlements	(3,707)	(1,667)	(7,703)	(4,311)
Interest rate lock commitments at end of period	$ 1,194	$ 640	$ 1,194	$ 640