Lease Disclosures Future minimum lease payments under noncancelable leases as lessee (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Finance Leases
2020 (remaining three months)	$ 5,900
2021	16,700
2022	15,000
2023	11,900
2024	9,700
Thereafter	59,400
Total minimum lease payments	118,500
Less: interest/imputed interest	(33,900)
Total obligations	84,700
Less: current portion	(12,300)
Long-term lease obligations	72,349	$ 77,393
Operating Leases
2020 (remaining three months)	31,000
2021	90,300
2022	82,900
2023	67,900
2024	62,200
Thereafter	194,100
Total minimum lease payments	528,300
Less: interest/imputed interest	(101,000)
Total obligations	427,400
Less: current portion	(75,470)	(72,815)
Long-term lease obligations	$ 351,927	$ 359,025