Debt Securities Held to Maturity - Narrative (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($) security	Dec. 31, 2021 USD ($)
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	$ 401,154,000	$ 421,523,000
Debt securities held to maturity	357,177,000	370,391,000
Proceeds from sale and maturity of held-to-maturity securities		0
Proceeds from sale of held-to-maturity securities	0		$ 0
Proceeds from maturities of held-to-maturity securities	4,300,000
Proceeds from calls of debt securities, held-to-maturity			5,100,000
Debt securities, held-to-maturity, realized gain (loss)			$ 0
Securities available-for-sale sold under agreements	$ 202,900,000	$ 228,800,000
Number of unrealized loss positions | security	108	116
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable
Accrued interest receivable on debt securities held-to-maturity	$ 997,000	$ 1,000,000
Mortgage-backed securities and collateralized mortgage obligations
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	351,283,000	371,652,000
Debt securities held to maturity	$ 313,208,000	$ 327,824,000