Investments Securities - Summary of Investment Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
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	38	99,504
Available-for-sale, 12 Months or Greater, Gross Unrealized Losses	2	537
Available-for-Sale, Total Fair Value	38	99,504
Available-for-Sale, Total Gross Unrealized Losses	2	537
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Total investment securities, Less Than 12 Months, Fair Value	0	11,236
Total investment securities, Less Than 12 Months, Gross Unrealized Losses	0	173
Total investment securities, 12 Months or Greater, Fair Value	11,250	100,386
Total investment securities, 12 Months or Greater, Gross Unrealized Losses	136	650
Total investment securities, Total Fair Value	11,250	111,622
Total investment securities, Total Gross Unrealized Losses	136	823
U.S. Treasury securities
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, Less Than 12 Months, Fair Value		0
Available-for-sale, Less Than 12 Months, Gross Unrealized Losses		0
Available-for-sale, 12 Months or Greater, Fair Value		99,461
Available-for-sale, 12 Months or Greater, Gross Unrealized Losses		535
Available-for-Sale, Total Fair Value		99,461
Available-for-Sale, Total Gross Unrealized Losses		535
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	38	43
Available-for-sale, 12 Months or Greater, Gross Unrealized Losses	2	2
Available-for-Sale, Total Fair Value	38	43
Available-for-Sale, Total Gross Unrealized Losses	2	2
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	0	11,236
Held-to-maturity, Less Than 12 Months, Gross Unrealized Losses	0	173
Held-to-maturity, 12 Months or Greater, Fair Value	11,212	882
Held-to-maturity, 12 Months or Greater, Gross Unrealized Losses	134	113
Held-to-Maturity, Total Fair Value	11,212	12,118
Held-to-Maturity, Total Gross Unrealized Losses	$ 134	$ 286

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

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