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Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Loans Modified as Troubled Debt Restructurings (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Receivables [Abstract]
Beginning balance	$ 1,927	$ 2,495
Additions	0	281
Net payments	(471)	(57)
Net transfers from non-accrual	0	0
Ending balance	1,456	2,719
Beginning balance	1,506	5,650
Additions	0	673
Net payments	(163)	(343)
Charge-offs	0	(395)
Net transfers to accrual	0	0
Ending balance	1,343	5,585
Total troubled debt restructurings	$ 2,799	$ 8,304

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
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