SECURITIES (Securities Pledged) (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Pledged Financial Instruments, Not Separately Reported, Securities [Abstract]
State and local governments public deposits, carrying value	$ 146,220
Interest rate swap counterparties, carrying value	17,301
Repurchase transaction accounts, carrying value	135,523
Other, carrying value	2,683
Total pledged securities, carrying value	301,727
State and local governments public deposits, amortized cost	145,407
Interest rate swap counterparties, amortized cost	17,006
Repurchase transaction accounts, amortized cost	134,233
Other, amortized cost	2,683
Total pledged securities, amortized cost	299,329
State and local governments public deposits, fair value	149,552
Interest rate swap counterparties, fair value	17,480
Repurchase transaction accounts, fair value	135,523
Other, fair value	2,671
Total pledged securities, fair value	$ 305,226