DERIVATIVE INSTRUMENTS - Pre-tax Gain (Loss) on Derivative Instruments (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	May 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative [Line Items]
Pre-tax gains (losses) on interest rate derivatives recognized		$ 4,576	$ 42	$ (12,056)	$ (705)
Total gain (loss) on derivatives		(7,156)	(103)	(8,190)	(286)
Interest Rate Cap
Derivative [Line Items]
Pre-tax gains (losses) on interest rate derivatives recognized		0	42	0	(705)
Interest Rate Swap
Derivative [Line Items]
Pre-tax gains (losses) on interest rate derivatives recognized		830	0	(15,802)	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Discontinuance Before Reclassification And Tax		3,746	0	3,746	0
Interest expense | Interest Rate Cap
Derivative [Line Items]
Gain (loss) location of derivative instruments		0	(103)	0	(286)
Interest expense | Interest Rate Swap
Derivative [Line Items]
Gain (loss) location of derivative instruments	$ (3,700)	(3,654)	0	(4,453)	0
Gain (loss) location of derivative instruments not designated		244	0	9	0
Gain (loss) location of discontinued derivative instruments		$ (3,746)	$ 0	$ (3,746)	$ 0