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SECURITIES - Securities Available for Sale (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Amortized cost and estimated fair value of debt securities available-for-sale |  |  |
Amortized Cost | $ 700,253,000 |  | $ 729,198,000
Unrealized Gains | 113,000 |  | 157,000
Unrealized Losses | 96,053,000 |  | 96,766,000
Allowance for Credit Losses | 0 |  |
Estimated Fair Value | 604,313,000 |  | 632,589,000
Amortized Cost |  |  |
Within one year | 5,804,000 |  |
After one, but within five years | 103,670,000 |  |
After five, but within ten years | 17,531,000 |  |
After ten years | 469,000 |  |
Total | 127,474,000 |  |
Total | 700,253,000 |  | 729,198,000
Fair Value |  |  |
Within one year | 5,732,000 |  |
After one, but within five years | 94,774,000 |  |
After five, but within ten years | 13,698,000 |  |
After ten years | 448,000 |  |
Total | 114,652,000 |  |
Total | 604,313,000 |  | 632,589,000
Proceeds from sales and calls of securities resulting in gains or losses |  |  |
Debt securities, gain (loss) | 0 | $ 0 |
U.S. Treasury notes and bonds |  |  |
Amortized cost and estimated fair value of debt securities available-for-sale |  |  |
Amortized Cost | 62,156,000 |  | 61,800,000
Unrealized Gains | 0 |  | 0
Unrealized Losses | 5,959,000 |  | 6,225,000
Allowance for Credit Losses | 0 |  |
Estimated Fair Value | 56,197,000 |  | 55,574,000
Amortized Cost |  |  |
Total | 62,156,000 |  | 61,800,000
Fair Value |  |  |
Total | 56,197,000 |  | 55,574,000
Mortgage-backed securities, residential |  |  |
Amortized cost and estimated fair value of debt securities available-for-sale |  |  |
Amortized Cost | 497,995,000 |  | 518,838,000
Unrealized Gains | 0 |  | 0
Unrealized Losses | 80,630,000 |  | 83,707,000
Allowance for Credit Losses | 0 |  |
Estimated Fair Value | 417,365,000 |  | 435,131,000
Amortized Cost |  |  |
Without single maturity date | 497,995,000 |  |
Total | 497,995,000 |  | 518,838,000
Fair Value |  |  |
Without single maturity date | 417,365,000 |  |
Total | 417,365,000 |  | 435,131,000
Obligations of states and political subdivisions |  |  |
Amortized cost and estimated fair value of debt securities available-for-sale |  |  |
Amortized Cost | 39,568,000 |  | 39,828,000
Unrealized Gains | 1,000 |  | 2,000
Unrealized Losses | 985,000 |  | 938,000
Allowance for Credit Losses | 0 |  |
Estimated Fair Value | 38,584,000 |  | 38,892,000
Amortized Cost |  |  |
Total | 39,568,000 |  | 39,828,000
Fair Value |  |  |
Total | 38,584,000 |  | 38,892,000
Corporate bonds and notes |  |  |
Amortized cost and estimated fair value of debt securities available-for-sale |  |  |
Amortized Cost | 25,750,000 |  | 25,750,000
Unrealized Gains | 0 |  | 0
Unrealized Losses | 5,879,000 |  | 3,780,000
Allowance for Credit Losses | 0 |  |
Estimated Fair Value | 19,871,000 |  | 21,970,000
Amortized Cost |  |  |
Total | 25,750,000 |  | 25,750,000
Fair Value |  |  |
Total | 19,871,000 |  | 21,970,000
SBA loan pools |  |  |
Amortized cost and estimated fair value of debt securities available-for-sale |  |  |
Amortized Cost | 74,784,000 |  | 82,982,000
Unrealized Gains | 112,000 |  | 155,000
Unrealized Losses | 2,600,000 |  | 2,116,000
Allowance for Credit Losses | 0 |  |
Estimated Fair Value | 72,296,000 |  | 81,022,000
Amortized Cost |  |  |
Without single maturity date | 74,784,000 |  |
Total | 74,784,000 |  | 82,982,000
Fair Value |  |  |
Without single maturity date | 72,296,000 |  |
Total | $ 72,296,000 |  | $ 81,022,000

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