DERIVATIVE INSTRUMENTS - Pre-tax Gain (Loss) on Derivative Instruments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Derivative [Line Items]
Pre-tax gains (losses) on interest rate derivatives recognized	$ (8,298)
Pre-tax gains (losses) on interest rate derivatives recognized		$ 1,008	$ 94
Total gain (loss) on derivatives	(332)	300	5
Interest Rate Cap
Derivative [Line Items]
Pre-tax gains (losses) on interest rate derivatives recognized	(1,103)
Pre-tax gains (losses) on interest rate derivatives recognized		1,008	94
Interest Rate Swap
Derivative [Line Items]
Pre-tax gains (losses) on interest rate derivatives recognized	(7,195)
Pre-tax gains (losses) on interest rate derivatives recognized		0	0
Interest expense | Interest Rate Cap
Derivative [Line Items]
Gain (loss) location of derivative instruments	(125)
Gain (loss) location of derivative instruments		300	5
Interest expense | Interest Rate Swap
Derivative [Line Items]
Gain (loss) location of derivative instruments	(115)
Gain (loss) location of derivative instruments		0	0
Gain (loss) location of derivative instruments not designated	$ (92)	$ 0	$ 0