Leases - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Operating
2021	$ 37,490
2022	29,296
2023	23,589
2024	17,543
2025	9,124
Thereafter	11,922
Total future minimum lease payments	128,964
Less: imputed interest	(9,875)
Net future minimum lease payments	119,089	$ 113,843
Finance
2021	957
2022	957
2023	80
2024	0
2025	0
Thereafter	0
Total future minimum lease payments	1,994
Less: imputed interest	(83)
Net future minimum lease payments	$ 1,911	$ 3,716