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Investment Securities - Summary of Held-to-maturity Investment Securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Schedule of Held-to-maturity Securities [Line Items]    
Held-to-maturity Securities $ 533,108 $ 585,052
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain 51 228
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss (81,773) (80,952)
Fair value 451,386 504,328
U.S. Treasury securities    
Schedule of Held-to-maturity Securities [Line Items]    
Held-to-maturity Securities 49,639 49,338
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss (480) (1,004)
Fair value 49,159 48,334
Residential mortgage pass-through securities issued or guaranteed by U.S. government agencies or sponsored enterprises    
Schedule of Held-to-maturity Securities [Line Items]    
Held-to-maturity Securities 271,105 299,337
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain 51 226
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss (36,870) (34,552)
Fair value 234,286 265,011
Other residential MBS issued or guaranteed by U.S. government agencies or sponsored enterprises    
Schedule of Held-to-maturity Securities [Line Items]    
Held-to-maturity Securities 212,364 236,377
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain   2
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss (44,423) (45,396)
Fair value $ 167,941 $ 190,983