SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE AND OTHER DEBT - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Line of Credit Facility [Line Items]
Securities sold under agreements to repurchase	$ 14,153	$ 10,859
Line of Credit | Unsecured Line of Credit
Line of Credit Facility [Line Items]
Outstanding balance	$ 0
Line of Credit | Unsecured Line of Credit | Prime Rate
Line of Credit Facility [Line Items]
Spread on variable rate	0.50%