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SECURITIES - Schedule of Amortized Cost and Estimated Fair Value of Available for Sale (AFS) and Held to Maturity (HTM) Securities, Segregated by Contractual Maturity (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Available for sale, Amortized Cost |  |
Within 1 year | $ 12,482 |
Over 1 year to 5 years | 11,254 |
Over 5 years to 10 years | 49,729 |
Over 10 years | 48,473 |
Total bonds and obligations | 121,938 |
Mortgage-backed securities | 1,539,258 |
Amortized Cost | 1,661,196 | $ 1,881,813
Available for sale, Fair Value |  |
Within 1 year | 12,482 |
Over 1 year to 5 years | 11,269 |
Over 5 years to 10 years | 46,904 |
Over 10 years | 45,819 |
Total bonds and obligations | 116,474 |
Mortgage-backed securities | 1,306,726 |
Fair Value | 1,423,200 | 1,877,585
Held to maturity, Amortized Cost |  |
Within 1 year | 995 |
Over 1 year to 5 years | 2,191 |
Over 5 years to 10 years | 28,544 |
Over 10 years | 237,423 |
Total bonds and obligations | 269,153 |
Mortgage-backed securities | 314,300 |
Amortized Cost | 583,453 | 636,503
Held to maturity, Fair Value |  |
Within 1 year | 995 |
Over 1 year to 5 years | 2,181 |
Over 5 years to 10 years | 28,543 |
Over 10 years | 214,308 |
Total bonds and obligations | 246,027 |
Mortgage-backed securities | 261,437 |
Fair Value | $ 507,464 | $ 647,236

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