SECURITIES, Amortized Cost and Fair Value of Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Available for Sale, Amortized Cost [Abstract]
Within 1 year	$ 954
After 1 year through 5 years	8,480
After 5 years through 10 years	22,185
After 10 years	243,699
Other	551,354
Amortized cost	826,672	$ 712,895
Available for Sale, Fair Value [Abstract]
Within 1 year	962
After 1 year through 5 years	8,571
After 5 years through 10 years	22,574
After 10 years	233,310
Other	527,987
Fair value	$ 793,404	$ 724,504

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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