DERIVATIVE FINANCIAL INSTRUMENTS - Effect of Interest Rate Derivatives (Details) - Interest rate swaps - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Derivative Instruments
Derivatives
Deferred gain (losses) included in AOCI (pretax)	$ 7,600		$ 7,600		$ (10,100)
Gain included in AOCI to be recognized in the next 12 months			7,600
Cash flow hedges
Derivatives
Unrealized gain (loss) recognized in AOCI, pretax	3,642	$ (297)	13,814	$ 121
Deferred loss reclassified from AOCI to interest expense	$ (285)	$ (2,803)	$ (3,887)	$ (12,085)