Leases - Maturities of Operating Lease Liabilities - ASC 842 (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Maturities of operating lease liabilities:
2020	$ 33,315
2021	26,210
2022	20,589
2023	15,348
2024	11,606
2025 and thereafter	17,356
Total operating lease payments	124,424
Less: Imputed interest	(25,797)
Present value of lease liabilities	98,627
Maturities of finance lease liabilities
2020	16,282
2021	10,652
2022	5,696
2023	2,941
2024	2,632
2025 and thereafter	1,554
Total finance lease payments	39,757
Less: imputed interest	(5,697)
Present value of finance lease liabilities	$ 34,060