DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Sep. 30, 2020	Dec. 31, 2010
Derivative [Line Items]
Interest (income) expense, net	$ (655,327)	$ (637,753)	$ (505,166)
Mortgages
Derivative [Line Items]
Derivative asset	11,900	51,800
Derivative liability	710	16,400
Interest rate lock commitments | Mortgages
Derivative [Line Items]
Derivative asset, notional amount	417,100	1,200,000
Interest Rate Swap
Derivative [Line Items]
Derivative liability, notional amount					$ 37,100
Derivative, fixed interest rate				4.11%
Interest (income) expense, net		420	$ (10)
Forward contracts related to mortgage loans held for sale | Mortgages
Derivative [Line Items]
Derivative, notional amount	$ 1,940,000	$ 2,130,000
London Interbank Offered Rate (LIBOR) | Interest Rate Swap
Derivative [Line Items]
Derivative, basis spread on variable rate				1.63%