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Investment Securities (Tables) | 12 Months Ended
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Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract] |
Available-for-sale securities reconciliation | he following tables summarize the amortized cost and fair value of securities available-for-sale and securities held-for-maturity at December 31, 2023 and 2022 and the corresponding amounts of gross unrealized gains and losses recognized in accumulated other comprehensive (loss) income and gross unrecognized gains and losses:
| December 31, 2023
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Allowance for Credit Losses |  | Estimated Fair Value
Available-for-Sale Securities |  |  |  |  |  |  |  |  |
Debt Securities: |  |  |  |  |  |  |  |  |
U.S. Treasury securities | $ | 9,990 |  |  | $ | — |  |  | $ | (1,036) |  |  | $ | — |  |  | $ | 8,954 |
U.S. Government agencies | 102 |  |  | — |  |  | (7) |  |  | — |  |  | 95 |
Obligations of states and political subdivisions | 198,070 |  |  | — |  |  | (17,848) |  |  | — |  |  | 180,222 |
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations | 88,874 |  |  | 3 |  |  | (5,525) |  |  | — |  |  | 83,352 |
Private label mortgage and asset backed securities | 372,610 |  |  | 10 |  |  | (48,047) |  |  | — |  |  | 324,573 |
| $ | 669,646 |  |  | $ | 13 |  |  | $ | (72,463) |  |  | $ | — |  |  | $ | 597,196 |
| December 31, 2023
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Allowance for Credit Losses
Held to Maturity |  |  |  |  |  |  |  |  |
Debt Securities: |  |  |  |  |  |  |  |  |
Obligations of states and political subdivisions | $ | 192,070 |  |  | $ | 70 |  |  | $ | (14,188) |  |  | $ | 177,952 |  |  | $ | 20 |
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations | 10,758 |  |  | — |  |  | (1,692) |  |  | 9,066 |  |  | — |
Private label mortgage and asset backed securities | 54,579 |  |  | — |  |  | (5,944) |  |  | 48,635 |  |  | 11 |
Corporate debt securities | 46,086 |  |  | — |  |  | (4,736) |  |  | 41,350 |  |  | 1,020 |
| $ | 303,493 |  |  | $ | 70 |  |  | $ | (26,560) |  |  | $ | 277,003 |  |  | $ | 1,051 |
| December 31, 2022
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Available-for-Sale Securities |  |  |  |  |  |  |
Debt Securities: |  |  |  |  |  |  |
U.S. Treasury securities | $ | 9,990 |  |  | $ | — |  |  | $ | (1,283) |  |  | $ | 8,707 |
U.S. Government agencies | 107 |  |  | — |  |  | (9) |  |  | 98 |
Obligations of states and political subdivisions | 201,638 |  |  | — |  |  | (26,653) |  |  | 174,985 |
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations | 117,292 |  |  | 4 |  |  | (7,803) |  |  | 109,493 |
Private label mortgage and asset backed securities | 411,441 |  |  | 14 |  |  | (55,913) |  |  | 355,542 |
Corporate debt securities | — |  |  | — |  |  | — |  |  | — |
` | $ | 740,468 |  |  | $ | 18 |  |  | $ | (91,661) |  |  | $ | 648,825 |
|  | December 31, 2022
Held-to-Maturity Securities |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Debt securities: |  |  |  |  |  |  |  |
Obligations of states and political subdivisions |  | 192,004 |  |  | 67 |  |  | (23,166) |  |  | $ | 168,905 |
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations |  | 10,430 |  |  | — |  |  | (1,762) |  |  | 8,668 |
Private label mortgage and asset backed securities |  | 56,691 |  |  | — |  |  | (5,931) |  |  | 50,760 |
Corporate debt securities |  | 45,982 |  |  | — |  |  | (3,066) |  |  | 42,916 |
Total held-to-maturity |  | $ | 305,107 |  |  | $ | 67 |  |  | $ | (33,925) |  |  | $ | 271,249 |
Realized gains and losses | Proceeds and gross realized (losses)/gains on investment securities for the years ended December 31, 2023, 2022, and 2021 are shown below (in thousands):
|  | Years Ended December 31,
|  | 2023 |  | 2022 |  | 2021
Available-for-Sale Securities |  |  |  |  |  |
Proceeds from sales or calls |  | $ | 26,361 |  |  | $ | 252,331 |  |  | $ | 26,222 |
Gross realized gains from sales or calls |  | $ | — |  |  | $ | 5,235 |  |  | $ | 580 |
Gross realized losses from sales or calls |  | $ | (907) |  |  | $ | (6,965) |  |  | $ | (79) |
Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value |
| December 31, 2023
| Less than 12 Months |  | 12 Months or More |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Available-for-Sale Securities |  |  |  |  |  |  |  |  |  |  |
Debt Securities: |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities | $ | — |  |  | $ | — |  |  | $ | 8,954 |  |  | $ | (1,036) |  |  | $ | 8,954 |  |  | $ | (1,036) |
U.S. Government agencies | — |  |  | — |  |  | 95 |  |  | (7) |  |  | 95 |  |  | (7) |
Obligations of states and political subdivisions | — |  |  | — |  |  | 180,222 |  |  | (17,848) |  |  | 180,222 |  |  | (17,848) |
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations | 392 |  |  | (3) |  |  | 82,760 |  |  | (5,522) |  |  | 83,152 |  |  | (5,525) |
Private label residential mortgage and asset backed securities | — |  |  | — |  |  | 323,655 |  |  | (48,047) |  |  | 323,655 |  |  | (48,047) |
| $ | 392 |  |  | $ | (3) |  |  | $ | 595,686 |  |  | $ | (72,460) |  |  | $ | 596,078 |  |  | $ | (72,463) |
| December 31, 2023
| Less than 12 Months |  | 12 Months or More |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Held-to-Maturity Securities |  |  |  |  |  |  |  |  |  |  |
Debt Securities: |  |  |  |  |  |  |  |  |  |  |
Obligations of states and political subdivisions | $ | 108 |  |  | $ | (1) |  |  | $ | 175,309 |  |  | $ | (14,187) |  |  | $ | 175,417 |  |  | $ | (14,188) |
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations | — |  |  | — |  |  | 9,066 |  |  | (1,692) |  |  | 9,066 |  |  | (1,692) |
Private label residential mortgage and asset backed securities | — |  |  | — |  |  | 48,635 |  |  | (5,944) |  |  | 48,635 |  |  | (5,944) |
Corporate debt securities | — |  |  | — |  |  | 41,350 |  |  | (4,736) |  |  | 41,350 |  |  | (4,736) |
| $ | 108 |  |  | $ | (1) |  |  | $ | 274,360 |  |  | $ | (26,559) |  |  | $ | 274,468 |  |  | $ | (26,560) |
| December 31, 2022
| Less than 12 Months |  | 12 Months or More |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Available-for-Sale Securities |  |  |  |  |  |  |  |  |  |  |
Debt Securities: |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities | $ | — |  |  | $ | — |  |  | $ | 8,707 |  |  | $ | (1,283) |  |  | $ | 8,707 |  |  | $ | (1,283) |
U.S. Government agencies | $ | — |  |  | $ | — |  |  | $ | 98 |  |  | $ | (9) |  |  | $ | 98 |  |  | $ | (9) |
Obligations of states and political subdivisions | 90,808 |  |  | (12,208) |  |  | 84,177 |  |  | (14,445) |  |  | 174,985 |  |  | (26,653) |
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations | 20,825 |  |  | (1,058) |  |  | 88,520 |  |  | (6,745) |  |  | 109,345 |  |  | (7,803) |
Private label residential mortgage backed securities | 126,284 |  |  | (14,529) |  |  | 229,152 |  |  | (41,384) |  |  | 355,436 |  |  | (55,913) |
| $ | 237,917 |  |  | $ | (27,795) |  |  | $ | 410,654 |  |  | $ | (63,866) |  |  | $ | 648,571 |  |  | $ | (91,661) |
| December 31, 2022
| Less than 12 Months |  | 12 Months or More |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Held-to-Maturity Securities |  |  |  |  |  |  |  |  |  |  |
Debt Securities: |  |  |  |  |  |  |  |  |  |  |
Obligations of states and political subdivisions | $ | 48,311 |  |  | $ | (5,505) |  |  | $ | 118,026 |  |  | $ | (17,661) |  |  | $ | 166,337 |  |  | $ | (23,166) |
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations | — |  |  | — |  |  | 8,668 |  |  | (1,762) |  |  | 8,668 |  |  | (1,762) |
Private label residential mortgage and asset backed securities | 19,393 |  |  | (1,916) |  |  | 31,367 |  |  | (4,015) |  |  | 50,760 |  |  | (5,931) |
Corporate debt securities | 23,997 |  |  | (1,561) |  |  | 18,919 |  |  | (1,505) |  |  | 42,916 |  |  | (3,066) |
| $ | 91,701 |  |  | $ | (8,982) |  |  | $ | 176,980 |  |  | $ | (24,943) |  |  | $ | 268,681 |  |  | $ | (33,925) |

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- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
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- Definition Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-9 + Details
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