Leases - Narrative (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)
Leases [Abstract]
Operating lease, liability	$ 5,246,000	$ 5,246,000
Operating lease, right-of-use asset	$ 4,754,000	$ 4,754,000
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Operating lease, cost	$ 416,000	$ 1,251,000
Short-term lease, cost	$ 42,000	133,000
Variable lease, cost		$ 0
Operating lease, weighted average remaining lease term	6 years	6 years
Operating lease, weighted average discount rate, percent	5.35%	5.35%