Debt Securities - Gross Unrealized Losses and Fair Value of Investments (Details) $ in Thousands	Mar. 31, 2026 USD ($) Security	Dec. 31, 2025 USD ($) Security
Debt Securities, Available-for-Sale [Line Items]
Available-for-Sale Securities, Less than 12 Months, Fair Value	$ 309,583	$ 150,183
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 3,954	$ 634
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included \| Security	73	30
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 576,387	$ 613,606
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 77,964	$ 76,784
Available-for-Sale Securities, 12 Months or More, Number of Securities Included \| Security	399	414
Available-for-Sale Securities, Total, Fair Value	$ 885,970	$ 763,789
Available-for-Sale Securities, Total, Unrealized Losses	81,918	77,418
U.S. Government-sponsored enterprises (GSEs)
Debt Securities, Available-for-Sale [Line Items]
Available-for-Sale Securities, Less than 12 Months, Fair Value	7,404	5,003
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 93	$ 22
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included \| Security	2	1
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 118,382	$ 121,994
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 11,341	$ 10,785
Available-for-Sale Securities, 12 Months or More, Number of Securities Included \| Security	49	52
Available-for-Sale Securities, Total, Fair Value	$ 125,786	$ 126,997
Available-for-Sale Securities, Total, Unrealized Losses	11,434	10,807
Mortgage-backed Securities
Debt Securities, Available-for-Sale [Line Items]
Available-for-Sale Securities, Less than 12 Months, Fair Value	253,119	133,756
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 3,496	$ 532
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included \| Security	49	24
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 306,351	$ 321,141
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 44,434	$ 44,262
Available-for-Sale Securities, 12 Months or More, Number of Securities Included \| Security	201	205
Available-for-Sale Securities, Total, Fair Value	$ 559,470	$ 454,897
Available-for-Sale Securities, Total, Unrealized Losses	47,930	44,794
Asset-backed Securities
Debt Securities, Available-for-Sale [Line Items]
Available-for-Sale Securities, Less than 12 Months, Fair Value	34,997	6,972
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 83	$ 32
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included \| Security	15	3
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 10,443	$ 22,415
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 864	$ 1,103
Available-for-Sale Securities, 12 Months or More, Number of Securities Included \| Security	5	9
Available-for-Sale Securities, Total, Fair Value	$ 45,440	$ 29,387
Available-for-Sale Securities, Total, Unrealized Losses	947	1,135
Corporate Notes and Other
Debt Securities, Available-for-Sale [Line Items]
Available-for-Sale Securities, Less than 12 Months, Fair Value	4,478	4,452
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 22	$ 48
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included \| Security	2	2
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 0	$ 0
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 0	$ 0
Available-for-Sale Securities, 12 Months or More, Number of Securities Included \| Security	0	0
Available-for-Sale Securities, Total, Fair Value	$ 4,478	$ 4,452
Available-for-Sale Securities, Total, Unrealized Losses	22	48
Obligations of States and Political Subdivisions
Debt Securities, Available-for-Sale [Line Items]
Available-for-Sale Securities, Less than 12 Months, Fair Value	9,585	0
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 260	$ 0
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included \| Security	5	0
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 141,211	$ 148,056
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 21,325	$ 20,634
Available-for-Sale Securities, 12 Months or More, Number of Securities Included \| Security	144	148
Available-for-Sale Securities, Total, Fair Value	$ 150,796	$ 148,056
Available-for-Sale Securities, Total, Unrealized Losses	$ 21,585	$ 20,634

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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