Investment Securities - Narrative (Details)		3 Months Ended
	Jan. 01, 2022 USD ($)	Mar. 31, 2022 USD ($) security	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Investments, Debt and Equity Securities [Abstract]
Held-to-maturity, book value	$ 320,100,000
Fair Value	309,700,000	$ 288,810,000
Available-for-sale to held-to-maturity, transfer unrealized loss	$ 10,400,000
Proceeds from sales of investment securities, available-for-sale		3,061,000	$ 1,643,000
Gross realized gain on sale		24,000	1,000
Gross realized loss on sale		0	$ 5,000
Investment securities pledged as collateral		$ 268,900,000		$ 126,500,000
Number of securities that have unrealized losses | security		343
Number of held to maturity securities that have unrealized losses | security		77
Securities deemed to be other than temporary		$ 0