Securities - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Securities available-for-sale, at fair value, post ASU 2019-04		$ 408,410
Debt Securities, Available-for-sale			$ 483,893
Gross gains	$ 0	0	155	$ 64
Realized losses		6,800	11	19
Available for sale securities transferred to held-to-maturity securities	162,400
Reclassification of unrealized gain on securities transferred from available-for-sale to held-to-maturity	$ (2,000)		2,009	$ (905)
Provision for credit losses, HTM		0
Impairment on other investments		0
Securities held-to-maturity, at amortized cost, post ASU 2019-04		281,236
Allowance for off balance sheet credit		2,400	85
Asset Pledged as Collateral [Member] | Secure Public Funds and Securities Sold under Agreements to Repurchase [Member]
Securities available-for-sale, at fair value, post ASU 2019-04		$ 358,300
Debt Securities, Available-for-sale			$ 304,800