REVENUE FROM CONTRACTS WITH CUSTOMERS (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Debit And Credit Card Interchange Fees	$ 27,752	$ 23,271	$ 20,052
Debit and Credit Card Expense	(8,527)	(10,636)	(9,098)
Merchant Services Expenses	(10,512)	(12,084)	(10,042)
Other Service Charges	5,572	4,809	4,490
Deposit fees and other service charges	46,632	39,495	34,384	$ 46,632
Deposit Account [Member]
Disaggregation of Revenue [Line Items]
Mortgage banking operations	19,236	19,162	16,428
Credit Card, Merchant Discount [Member]
Disaggregation of Revenue [Line Items]
Mortgage banking operations	$ 13,111	$ 14,973	$ 12,554