Investment Securities - Narrative (Details)	3 Months Ended
	Mar. 31, 2022 USD ($) security	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Investments, Debt and Equity Securities [Abstract]
Number of individual securities that were in a continuous unrealized loss position for less than twelve months (in securities) | security	172
Number of individual securities that were in a continuous unrealized loss position for greater than twelve months (in securities) | security	25
Gross proceeds from sales of securities	$ 90,000	$ 11,372,000
Impairment charges	0	$ 0
Carrying value of investment securities pledged	146,810,000		$ 139,435,000
Investment equity securities, at fair value	$ 1,193,000		$ 1,251,000