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Securities - Schedule of Estimated Fair Value and Unrealized Losses for Debt Securities Available-for-Sale and Held-to-Maturity (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Debt securities available-for-sale: |  |
Available-for-sale, Less than 12 months, Estimated Fair Value | $ 280,891 | $ 242,563
Available-for-sale, Less than 12 months, Unrealized Losses | (792) | (877)
Available-for-sale, 12 months or Longer, Estimated Fair Value | 158,912 | 208,677
Available-for-sale, 12 months or longer, Unrealized Losses | (14,766) | (20,440)
Available-for-sale, Total, Estimated Fair Value | 439,803 | 451,240
Available-for-sale, Total, Unrealized Losses | (15,558) | (21,317)
Debt securities held-to-maturity: |  |
Held-to-maturity, Less than 12 months, Estimated Fair Value | 46,804 | 126,796
Held-to-maturity, Less than 12 months, Unrealized Losses | (619) | (2,062)
Held-to-maturity, 12 months or longer, Estimated Fair Value | 721,135 | 763,982
Held-to-maturity, 12 months or longer, Unrealized Losses | (74,542) | (92,882)
Held-to-maturity, Total, Estimated Fair Value | 767,939 | 890,778
Held-to-maturity, Total, Unrealized Losses | (75,161) | (94,944)
Total securities, Less than 12 months, Estimated Fair Value | 327,695 | 369,359
Total securities, Less than 12 months, Unrealized Losses | (1,411) | (2,939)
Total securities, 12 months or longer, Estimated Fair Value | 880,047 | 972,659
Total securities, 12 months or longer, Unrealized Losses | (89,308) | (113,322)
Total securities, Estimated Fair Value | 1,207,742 | 1,342,018
Total securities, Unrealized Losses | (90,719) | (116,261)
U.S. government and agency obligations | Investment securities |  |
Debt securities available-for-sale: |  |
Available-for-sale, Less than 12 months, Estimated Fair Value | 2,429 | 3,221
Available-for-sale, Less than 12 months, Unrealized Losses | (1) | 0
Available-for-sale, 12 months or Longer, Estimated Fair Value | 51,067 | 49,538
Available-for-sale, 12 months or longer, Unrealized Losses | (3,515) | (5,022)
Available-for-sale, Total, Estimated Fair Value | 53,496 | 52,759
Available-for-sale, Total, Unrealized Losses | (3,516) | (5,022)
Corporate debt securities |  |
Debt securities held-to-maturity: |  |
Held-to-maturity, Total, Unrealized Losses | (625) | (1,416)
Corporate debt securities | Investment securities |  |
Debt securities available-for-sale: |  |
Available-for-sale, Less than 12 months, Estimated Fair Value | 4,000 | 4,793
Available-for-sale, Less than 12 months, Unrealized Losses | 0 | (55)
Available-for-sale, 12 months or Longer, Estimated Fair Value | 4,722 | 6,029
Available-for-sale, 12 months or longer, Unrealized Losses | (278) | (707)
Available-for-sale, Total, Estimated Fair Value | 8,722 | 10,822
Available-for-sale, Total, Unrealized Losses | (278) | (762)
Debt securities held-to-maturity: |  |
Held-to-maturity, Less than 12 months, Estimated Fair Value | 2,220 | 1,247
Held-to-maturity, Less than 12 months, Unrealized Losses | (30) | (219)
Held-to-maturity, 12 months or longer, Estimated Fair Value | 23,710 | 25,518
Held-to-maturity, 12 months or longer, Unrealized Losses | (595) | (1,197)
Held-to-maturity, Total, Estimated Fair Value | 25,930 | 26,765
Held-to-maturity, Total, Unrealized Losses | (625) | (1,416)
Asset-backed securities | Investment securities |  |
Debt securities available-for-sale: |  |
Available-for-sale, Less than 12 months, Estimated Fair Value | 42,333 | 31,588
Available-for-sale, Less than 12 months, Unrealized Losses | (36) | (21)
Available-for-sale, 12 months or Longer, Estimated Fair Value | 5,986 | 59,148
Available-for-sale, 12 months or longer, Unrealized Losses | (14) | (63)
Available-for-sale, Total, Estimated Fair Value | 48,319 | 90,736
Available-for-sale, Total, Unrealized Losses | (50) | (84)
Mortgage-backed securities: |  |
Debt securities available-for-sale: |  |
Available-for-sale, Less than 12 months, Estimated Fair Value | 232,129 | 202,961
Available-for-sale, Less than 12 months, Unrealized Losses | (755) | (801)
Available-for-sale, 12 months or Longer, Estimated Fair Value | 97,137 | 93,962
Available-for-sale, 12 months or longer, Unrealized Losses | (10,959) | (14,648)
Available-for-sale, Total, Estimated Fair Value | 329,266 | 296,923
Available-for-sale, Total, Unrealized Losses | (11,714) | (15,449)
Debt securities held-to-maturity: |  |
Held-to-maturity, Less than 12 months, Estimated Fair Value | 36,599 | 118,451
Held-to-maturity, Less than 12 months, Unrealized Losses | (558) | (1,667)
Held-to-maturity, 12 months or longer, Estimated Fair Value | 545,567 | 569,030
Held-to-maturity, 12 months or longer, Unrealized Losses | (61,020) | (78,196)
Held-to-maturity, Total, Estimated Fair Value | 582,166 | 687,481
Held-to-maturity, Total, Unrealized Losses | (61,578) | (79,863)
Mortgage-backed securities: | Agency residential |  |
Debt securities available-for-sale: |  |
Available-for-sale, Less than 12 months, Estimated Fair Value | 231,636 | 202,961
Available-for-sale, Less than 12 months, Unrealized Losses | (753) | (801)
Available-for-sale, 12 months or Longer, Estimated Fair Value | 0 | 0
Available-for-sale, 12 months or longer, Unrealized Losses | 0 | 0
Available-for-sale, Total, Estimated Fair Value | 231,636 | 202,961
Available-for-sale, Total, Unrealized Losses | (753) | (801)
Debt securities held-to-maturity: |  |
Held-to-maturity, Less than 12 months, Estimated Fair Value | 34,872 | 114,557
Held-to-maturity, Less than 12 months, Unrealized Losses | (552) | (1,647)
Held-to-maturity, 12 months or longer, Estimated Fair Value | 457,112 | 479,847
Held-to-maturity, 12 months or longer, Unrealized Losses | (55,150) | (71,463)
Held-to-maturity, Total, Estimated Fair Value | 491,984 | 594,404
Held-to-maturity, Total, Unrealized Losses | (55,702) | (73,110)
Mortgage-backed securities: | Agency commercial |  |
Debt securities available-for-sale: |  |
Available-for-sale, Less than 12 months, Estimated Fair Value | 493 | 0
Available-for-sale, Less than 12 months, Unrealized Losses | (2) | 0
Available-for-sale, 12 months or Longer, Estimated Fair Value | 97,137 | 93,962
Available-for-sale, 12 months or longer, Unrealized Losses | (10,959) | (14,648)
Available-for-sale, Total, Estimated Fair Value | 97,630 | 93,962
Available-for-sale, Total, Unrealized Losses | (10,961) | (14,648)
Debt securities held-to-maturity: |  |
Held-to-maturity, Less than 12 months, Estimated Fair Value | 1,727 | 3,894
Held-to-maturity, Less than 12 months, Unrealized Losses | (6) | (20)
Held-to-maturity, 12 months or longer, Estimated Fair Value | 71,004 | 69,912
Held-to-maturity, 12 months or longer, Unrealized Losses | (5,481) | (5,858)
Held-to-maturity, Total, Estimated Fair Value | 72,731 | 73,806
Held-to-maturity, Total, Unrealized Losses | (5,487) | (5,878)
Mortgage-backed securities: | Non-agency commercial |  |
Debt securities held-to-maturity: |  |
Held-to-maturity, Less than 12 months, Estimated Fair Value | 0 | 0
Held-to-maturity, Less than 12 months, Unrealized Losses | 0 | 0
Held-to-maturity, 12 months or longer, Estimated Fair Value | 17,451 | 19,271
Held-to-maturity, 12 months or longer, Unrealized Losses | (389) | (875)
Held-to-maturity, Total, Estimated Fair Value | 17,451 | 19,271
Held-to-maturity, Total, Unrealized Losses | (389) | (875)
State and municipal debt obligations |  |
Debt securities held-to-maturity: |  |
Held-to-maturity, Total, Unrealized Losses | (12,958) | (13,665)
State and municipal debt obligations | Investment securities |  |
Debt securities held-to-maturity: |  |
Held-to-maturity, Less than 12 months, Estimated Fair Value | 7,985 | 7,098
Held-to-maturity, Less than 12 months, Unrealized Losses | (31) | (176)
Held-to-maturity, 12 months or longer, Estimated Fair Value | 151,858 | 169,434
Held-to-maturity, 12 months or longer, Unrealized Losses | (12,927) | (13,489)
Held-to-maturity, Total, Estimated Fair Value | 159,843 | 176,532
Held-to-maturity, Total, Unrealized Losses | $ (12,958) | $ (13,665)

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