REPURCHASE AGREEMENTS (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase Agreements	$ 186,408	$ 162,439
March 31, 2021
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase Agreements	186,408	162,439
Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises | March 31, 2021
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase Agreements	106,135	70,902
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises | March 31, 2021
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase Agreements	78,790	90,015
Obligations of states and political subdivisions | March 31, 2021
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase Agreements	1,483	1,522
Collateral Pledged [Member] | March 31, 2021
Assets Sold under Agreements to Repurchase [Line Items]
Certificates of Deposit, at Carrying Value	$ 1,000	$ 1,000