Investments Securities - Summary of Investment Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, Less Than 12 Months, Fair Value	$ 0	$ 0
Available-for-sale, Less Than 12 Months, Gross Unrealized Losses	0	0
Available-for-sale, 12 Months or Greater, Fair Value	25	29
Available-for-sale, 12 Months or Greater, Gross Unrealized Losses	1	1
Available-for-Sale, Total Fair Value	25	29
Available-for-Sale, Total Gross Unrealized Losses	1	1
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Total investment securities, Less Than 12 Months, Fair Value	35,505	5,039
Total investment securities, Less Than 12 Months, Gross Unrealized Losses	1,177	95
Total investment securities, 12 Months or Greater, Fair Value	708	8,257
Total investment securities, 12 Months or Greater, Gross Unrealized Losses	121	120
Total investment securities, Total Fair Value	36,213	13,296
Total investment securities, Total Gross Unrealized Losses	1,298	215
U.S. Agency collateralized mortgage obligations
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, Less Than 12 Months, Fair Value	0	0
Available-for-sale, Less Than 12 Months, Gross Unrealized Losses	0	0
Available-for-sale, 12 Months or Greater, Fair Value	25	29
Available-for-sale, 12 Months or Greater, Gross Unrealized Losses	1	1
Available-for-Sale, Total Fair Value	25	29
Available-for-Sale, Total Gross Unrealized Losses	1	1
U.S. Agency residential mortgage-backed securities
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Held-to-maturity, Less Than 12 Months, Fair Value	35,505	5,039
Held-to-maturity, Less Than 12 Months, Gross Unrealized Losses	1,177	95
Held-to-maturity, 12 Months or Greater, Fair Value	683	8,228
Held-to-maturity, 12 Months or Greater, Gross Unrealized Losses	120	119
Held-to-Maturity, Total Fair Value	36,188	13,267
Held-to-Maturity, Total Gross Unrealized Losses	$ 1,297	$ 214

Debt Securities, Available-for-Sale and Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer

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