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Securities - Securities Available for Sale (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
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The amortized cost and estimated fair value of securities with gross unrealized gains and losses |  |
Amortized cost | $ 677,652 | $ 648,616
Gross Unrealized Gains | 2,691 | 3,330
Gross Unrealized Losses | (47,061) | (47,842)
Fair value | 633,282 | 604,104
Asset Pledged as Collateral |  |
The amortized cost and estimated fair value of securities with gross unrealized gains and losses |  |
Fair value | 169,500 | 170,700
Municipal Bonds |  |
The amortized cost and estimated fair value of securities with gross unrealized gains and losses |  |
Amortized cost | 151,221 | 151,512
Gross Unrealized Gains | 28 | 47
Gross Unrealized Losses | (19,158) | (19,035)
Fair value | 132,091 | 132,524
Mortgage-Backed Securities |  |
The amortized cost and estimated fair value of securities with gross unrealized gains and losses |  |
Amortized cost | 260,079 | 249,455
Gross Unrealized Gains | 1,544 | 2,261
Gross Unrealized Losses | (17,407) | (16,401)
Fair value | 244,216 | 235,315
Corporate Securities |  |
The amortized cost and estimated fair value of securities with gross unrealized gains and losses |  |
Amortized cost | 142,851 | 142,098
Gross Unrealized Gains | 348 | 386
Gross Unrealized Losses | (10,247) | (11,879)
Fair value | 132,952 | 130,605
SBA Securities |  |
The amortized cost and estimated fair value of securities with gross unrealized gains and losses |  |
Amortized cost | 16,864 | 18,497
Gross Unrealized Gains | 252 | 279
Gross Unrealized Losses | (91) | (102)
Fair value | 17,025 | 18,674
Asset-Backed Securities |  |
The amortized cost and estimated fair value of securities with gross unrealized gains and losses |  |
Amortized cost | 106,637 | 87,054
Gross Unrealized Gains | 519 | 357
Gross Unrealized Losses | (158) | (425)
Fair value | $ 106,998 | $ 86,986

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 + Details
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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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