Leases - Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Operating Leases
2021	$ 36,219
2022	27,388
2023	22,588
2024	19,235
2025	11,130
Thereafter	37,287
Total minimum lease payments	153,847
Less: amount of lease payment representing interest	(23,392)
Present value of future minimum lease payments	130,455
Present value of future minimum lease payments	130,455
Less: current obligations under leases	(29,080)	$ (26,208)
Operating Lease Liabilities	101,375	97,291
Finance Leases
2021	2,433
2022	1,729
2023	497
2024	497
2025	274
Total minimum lease payments	5,430
Less: amount of lease payment representing interest	(401)
Finance Lease Obligations	5,029	4,570
Present value of future minimum lease payments	5,029	4,570
Less: current obligations under leases	(2,041)
Finance Lease Obligations	$ 2,988	$ 2,954