REVENUE FROM CONTRACTS WITH CUSTOMERS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Debit And Credit Card Interchange Fees	$ 5,480	$ 8,146	$ 22,682	$ 23,337
Debit and Credit Card Expense	(1,991)	(2,166)	(6,389)	(6,069)
Merchant Services Expenses	(2,960)	(4,544)	(7,941)	(5,899)
Other Service Charges	1,212	971	4,436	3,071
Total Deposit Fees and Other Service Charges	10,331	12,255	36,995	35,535
Deposit Account [Member]
Disaggregation of Revenue [Line Items]
Mortgage banking operations	4,931	4,501	14,347	13,348
Credit Card, Merchant Discount [Member]
Disaggregation of Revenue [Line Items]
Mortgage banking operations	$ 3,659	$ 5,347	$ 9,860	$ 7,747