SECURITIES AVAILABLE FOR SALE - Maturity of Available for Sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Amortized Cost
Within 1 year	$ 4,999
Over 1 year to 5 years	24,530
Over 5 years to 10 years	61,955
Over 10 years	139,095
Total bonds and obligations	230,579
Mortgage-backed securities	385,117
Amortized Cost	615,696	$ 571,977
Fair Value
Within 1 year	5,047
Over 1 year to 5 years	25,112
Over 5 years to 10 years	60,534
Over 10 years	143,134
Total bonds and obligations	233,827
Mortgage-backed securities	384,449
Total securities available for sale	$ 618,276	$ 585,046