Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Lessee, Lease, Description [Line Items]
Lessee, operating lease, renewal term (up to)	10 years		10 years
Lessee, finance lease, term of contract	4 years		4 years
Operating lease, weighted average remaining lease term	6 years		6 years
Operating lease, weighted average discount rate, percent	3.50%		3.50%
Operating lease cost	$ 1,541	$ 1,200	$ 4,424	$ 3,700
Operating lease, payments			4,300
Affiliated Entity
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 300	$ 300	$ 800	$ 800
Minimum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract	1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract	9 years		9 years