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v3.25.1

Investment Securities - Narrative (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 USD ($) security | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($) security
Investment securities total | $ 1,300,000 |  | $ 1,000,000
Available-for-sale Securities | 634,376 |  | 527,547
Held-to-maturity securities | 706,912 |  | $ 533,108
Purchases of available-for-sale securities | 142,245 | $ 106,554 |
Maturities and paydowns of available-for-sale securities | 48,436 | 45,662 |
Sales of available-for-sale securities | $ 0 | 0 |
Number of securities | security | 176 |  | 180
Purchases of held-to-maturity securities | $ 190,624 | 0 |
Maturities and paydowns of held-to-maturity securities | $ 17,027 | $ 14,367 |
Number of held-to-maturity securities in unrealized loss positions | security | 140 |  | 160
Held-to-maturity investment securities pledged as collateral | $ 539,800 |  | $ 500,500
Held-to-maturity investment securities held as collateral | 0 |  | 0
Accrued interest receivable from available-for-sale investment securities | 1,600 |  | 1,300
Accrued interest receivable from held-to-maturity investment securities | 2,000 |  | 900
Other securities investments with no contractual maturity |  |  |
Securities with no stated contractual date, amortized cost | 700 |  |
Securities with no stated contractual date, fair value | 700 |  |
Asset Pledged as Collateral |  |  |
Available-for-sale Securities | 0 |  | 0
Asset Pledged as Collateral | Federal Funds Purchased |  |  |
Available-for-sale Securities | $ 245,400 |  | $ 238,600
Financing Receivable, Pledging Purpose [Extensible Enumeration] | Noninterest-bearing Deposit Liabilities |  | Noninterest-bearing Deposit Liabilities

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), without single maturity date and not allocated over maturity grouping. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), without single maturity date and not allocated over maturity grouping. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 320 -Name Accounting Standards Codification -Section 50 -Paragraph 3A -Publisher FASB -URI https://asc.fasb.org/1943274/2147477268/942-320-50-3A + Details
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