Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Lessee, Lease, Description [Abstract]
Right of use lease assets	$ 34,314	$ 38,507
Other current liabilities	9,356	10,901
Long-term lease liabilities	24,599	27,070
Total operating lease liabilities	$ 33,955	$ 37,971
Weighted average remaining lease term (years)	5 years 8 months 12 days	6 years
Weighted average discount rate	4.26%	4.20%