INVESTMENT SECURITIES - Investments Classified by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Available-for-Sale - Amortized cost
After four through five years	$ 2,287
After five through fifteen years	11,955
After fifteen years	53,847
Securities not due on a single maturity date	481,712
Available-for-sale Securities, Amortized Cost, Total	549,801	$ 489,198
Available-for-Sale - Fair Value
After four through five years	2,264
After five through fifteen years	11,455
After fifteen years	48,610
Securities not due on a single maturity date	420,478
Available-for-sale Securities, Fair Value, Total	482,807	501,032
Held-to-Maturity - Amortized Carrying Value
After five through fifteen years	2,577
After fifteen years	3,660
Securities not due on a single maturity date	200,248
Held-to-Maturity, Amortized Carrying Value, Total	206,485	$ 0
Held-to-Maturity - Fair Value
After five through fifteen years	2,108
After fifteen years	3,066
Securities not due on a single maturity date	175,237
Held-to-maturity, Fair Value, Total	$ 180,411

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after year fifteen. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

No definition available.