REVENUE FROM CONTRACTS WITH CUSTOMERS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Debit and credit card interchange fees	$ 6,032	$ 5,207	$ 17,265	$ 14,762
Debit and credit card expense	2,655	2,134	(7,819)	(6,272)
Merchant services expense	3,439	2,839	(8,964)	(7,378)
Other service charges	1,152	1,020	3,801	3,458
Total deposit fees and other service charges	10,457	8,742	29,154	26,091
Deposit service charges
Disaggregation of Revenue [Line Items]
Deposit service charges	5,128	3,904	13,735	12,269
Merchant services income
Disaggregation of Revenue [Line Items]
Deposit service charges	$ 4,239	$ 3,584	$ 11,136	$ 9,252