Leases - Future Lease Payments under Non-Cancellable Leases (Details) - USD ($) $ in Thousands		Dec. 31, 2020		Dec. 31, 2019
Operating Leases
2021	[1]	$ 20,106
2022	[1]	17,512
2023	[1]	14,890
2024	[1]	10,698
2025	[1]	6,712
Thereafter	[1]	35,740
Total undiscounted lease payments	[1]	105,658
Less: imputed interest	[1]	(34,175)
Total lease liabilities	[2]	71,483	[1]	$ 127,879
Finance Leases
2021	[3]	6,733
2022	[3]	6,602
2023	[3]	6,581
2024	[3]	6,216
2025	[3]	5,164
Thereafter	[3]	45,495
Total undiscounted lease payments	[3]	76,791
Less: imputed interest	[3]	(28,067)
Total lease liabilities	[3]	$ 48,724		$ 52,994

[1] Includes $17.6 million ROU liabilities in Held for Sale as of December 31, 2020

[2] Includes $17.6 million lease liabilities in Held for Sale as of December 31, 2020

[3] Includes $33.3 million finance lease obligations in Held for Sale as of December 31, 2020