Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Maturities of lease liabilities: Operating lease
2020 (remaining nine months)	$ 49,013
2021	52,157
2022	27,307
2023	11,535
2024	7,628
Thereafter	3,167
Total lease payments	150,807
Less: Imputed interest	(9,517)
Total	141,290	$ 142,705
Less: Current portion	(58,386)	(57,910)
Long-term portion of lease obligations	82,904	84,795
Maturities of lease liabilities: Finance lease
2020 (remaining nine months)	59,686
2021	82,609
2022	48,307
2023	40,942
2024	30,707
Total lease payments	262,251
Less: Imputed interest	(44,504)
Total	217,747	233,199
Less: Current portion	(62,965)	(61,493)
Long-term portion of lease obligations	154,782	$ 171,706
Future minimum payments for total lease liabilities
2020 (remaining nine months)	108,699
2021	134,766
2022	75,614
2023	52,477
2024	38,335
Thereafter	3,167
Total lease payments	413,058
Less: Imputed interest	(54,021)
Total	359,037
Less: Current portion	(121,351)
Long-term portion of lease obligations	$ 237,686