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Investment Securities - Summary of Available-for-Sale Investment Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | $ 704,465 | $ 617,947
Gross unrealized gains | 2,946 | 485
Gross unrealized losses | (75,464) | (90,885)
Fair value | 631,947 | 527,547
U.S. Treasury securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 72,717 | 24,958
Gross unrealized gains | 981 |
Gross unrealized losses |  | (84)
Fair value | 73,698 | 24,874
Residential mortgage pass-through securities issued or guaranteed by U.S. government agencies or sponsored enterprises |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 238,874 | 164,785
Gross unrealized gains | 943 | 53
Gross unrealized losses | (23,815) | (29,793)
Fair value | 216,002 | 135,045
Other residential MBS issued or guaranteed by U.S. government agencies or sponsored enterprises |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 390,149 | 425,476
Gross unrealized gains | 1,022 | 432
Gross unrealized losses | (51,639) | (60,970)
Fair value | 339,532 | 364,938
Corporate debt |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 2,000 | 2,000
Gross unrealized losses | (10) | (38)
Fair value | 1,990 | 1,962
Other securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 725 | 728
Fair value | $ 725 | $ 728

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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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