Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Operating leases:
Operating lease ROU assets	$ 54,457	$ 57,427
Current operating lease liabilities	10,663	12,554
Noncurrent operating lease liabilities	27,041	27,545
Total operating lease liabilities	37,704	40,099
Finance leases:
Finance lease ROU assets	2,507	3,396
Accumulated amortization	(2,298)	(1,924)
Finance lease ROU assets, net	209	1,472
Current finance lease liabilities	149	903
Non-current finance lease liabilities	24	138
Total finance lease liabilities	$ 173	$ 1,041
Weighted average remaining lease term (in years):
Operating leases	7 years 7 months 6 days	4 years 4 months 24 days
Finance leases	7 months 6 days	1 year 3 months 18 days
Weighted average discount rate:
Operating leases	4.00%	3.80%
Finance leases	3.10%	3.00%