Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Operating right-of-use assets	$ 1,700
Operating lease liabilities	$ 1,763		$ 1,837
Weighted-average remaining lease term (in years)	6 years 3 months 18 days
Weighted-average discount rate (as a percent)	4.00%
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Premises and equipment - net
Operating lease cost	$ 94	$ 100
Short-term operating lease expense	$ 24	$ 13
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease terms (in years)	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease terms (in years)	10 years