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Securities - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($) Securities	Sep. 30, 2023 USD ($) Securities	Sep. 30, 2024 USD ($) Securities	Sep. 30, 2023 USD ($) Securities	Dec. 31, 2023 USD ($)
Debt Securities, Available-for-Sale [Line Items]
Number of available-for-sale securities sold	0	0	5	16
Debt Securities, Pledging Purpose [Extensible Enumeration]	Various Obligations	Various Obligations	Various Obligations	Various Obligations
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	160		160
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	155		155
Number of held-to-maturity securities in an unrealized loss position	21		21
Number of Positions Held-to-Maturity, Securities in Continuous Unrealized Loss Positions, 12 Months or Longer	21		21
Credit loss provision | $	$ 0	$ 0	$ 0	$ 0
Various Obligations
Debt Securities, Available-for-Sale [Line Items]
Securities with a fair value | $	$ 39,300,000		$ 39,300,000		$ 45,400,000

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