Derivative Financial Instruments - Interest Rate Swaps Designated as Cash Flow Hedges (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Derivative [Line Items]
Pre-tax changes in fair value included in AOCI	$ 118	$ 3,388	$ (165)	$ 10,948
Interest Rate Swap
Derivative [Line Items]
Notional amount	$ 105,000		$ 105,000		$ 125,000
Weighted average pay rates	2.22%		2.22%		2.26%
Weighted average receive rates	5.19%		5.19%		4.44%
Weighted average maturity			2 years 2 months 12 days		2 years 7 months 6 days
Pre-tax changes in fair value included in AOCI			$ 5,547		$ 5,727