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SECURITIES - Securities Available for Sale (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Amortized cost and estimated fair value of securities available for sale |  |  |
Amortized Cost | $ 743,166,000 |  | $ 795,409,000
Unrealized Gains | 204,000 |  | 6,587,000
Unrealized Losses | 103,018,000 |  | 9,970,000
Estimated Fair Value | 640,352,000 |  | 792,026,000
Amortized Cost |  |  |
Within one year | 2,937,000 |  |
After one, but within five years | 103,872,000 |  |
After five, but within ten years | 20,178,000 |  |
After ten years | 470,000 |  |
Total | 127,457,000 |  |
Amortized Cost | 743,166,000 |  | 795,409,000
Fair Value |  |  |
Within one year | 2,862,000 |  |
After one, but within five years | 93,767,000 |  |
After five, but within ten years | 19,142,000 |  |
After ten years | 396,000 |  |
Total | 116,167,000 |  |
Total | 640,352,000 |  | 792,026,000
Proceeds from sales and calls of securities resulting in gains or losses |  |  |
Proceeds | 0 | $ 0 |
U.S. Treasury notes and bonds |  |  |
Amortized cost and estimated fair value of securities available for sale |  |  |
Amortized Cost | 61,791,000 |  | 61,084,000
Unrealized Gains | 0 |  | 27,000
Unrealized Losses | 6,741,000 |  | 680,000
Estimated Fair Value | 55,050,000 |  | 60,431,000
Amortized Cost |  |  |
Amortized Cost | 61,791,000 |  | 61,084,000
Fair Value |  |  |
Total | 55,050,000 |  | 60,431,000
Mortgage-backed securities, residential |  |  |
Amortized cost and estimated fair value of securities available for sale |  |  |
Amortized Cost | 530,372,000 |  | 582,060,000
Unrealized Gains | 0 |  | 4,032,000
Unrealized Losses | 89,738,000 |  | 8,731,000
Estimated Fair Value | 440,634,000 |  | 577,361,000
Amortized Cost |  |  |
Without single maturity date | 530,372,000 |  |
Amortized Cost | 530,372,000 |  | 582,060,000
Fair Value |  |  |
Without single maturity date | 440,634,000 |  |
Total | 440,634,000 |  | 577,361,000
Obligations of states and political subdivisions |  |  |
Amortized cost and estimated fair value of securities available for sale |  |  |
Amortized Cost | 39,916,000 |  | 40,299,000
Unrealized Gains | 0 |  | 2,004,000
Unrealized Losses | 3,036,000 |  | 0
Estimated Fair Value | 36,880,000 |  | 42,303,000
Amortized Cost |  |  |
Amortized Cost | 39,916,000 |  | 40,299,000
Fair Value |  |  |
Total | 36,880,000 |  | 42,303,000
Corporate bonds and notes |  |  |
Amortized cost and estimated fair value of securities available for sale |  |  |
Amortized Cost | 25,750,000 |  | 22,750,000
Unrealized Gains | 0 |  | 180,000
Unrealized Losses | 1,513,000 |  | 82,000
Estimated Fair Value | 24,237,000 |  | 22,848,000
Amortized Cost |  |  |
Amortized Cost | 25,750,000 |  | 22,750,000
Fair Value |  |  |
Total | 24,237,000 |  | 22,848,000
SBA loan pools |  |  |
Amortized cost and estimated fair value of securities available for sale |  |  |
Amortized Cost | 85,337,000 |  | 89,216,000
Unrealized Gains | 204,000 |  | 344,000
Unrealized Losses | 1,990,000 |  | 477,000
Estimated Fair Value | 83,551,000 |  | 89,083,000
Amortized Cost |  |  |
Without single maturity date | 85,337,000 |  |
Amortized Cost | 85,337,000 |  | 89,216,000
Fair Value |  |  |
Without single maturity date | 83,551,000 |  |
Total | $ 83,551,000 |  | $ 89,083,000

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