Lease Maturity Tables (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Operating Lease Liabilities, Payments Due [Abstract]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 12,410	$ 49,009
Operating Leases, Future Minimum Payments, Due in Two Years	43,000	38,620
Operating Leases, Future Minimum Payments, Due in Three Years	33,983	29,396
Operating Leases, Future Minimum Payments, Due in Four Years	24,536	21,767
Operating Leases, Future Minimum Payments, Due in Five Years	16,018	13,994
Operating Leases, Future Minimum Payments, Due Thereafter	46,931	42,087
Operating Leases, Future Minimum Payments Due	176,878	194,873
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(17,564)
Lessee, Operating Lease, Liability, Payments, Due	159,314
Finance Lease Liabilities, Payments, Due [Abstract]
Capital Leases, Future Minimum Payments Due, Next Twelve Months	523	1,802
Capital Leases, Future Minimum Payments Due in Two Years	2,069	1,748
Capital Leases, Future Minimum Payments Due in Three Years	1,962	1,687
Capital Leases, Future Minimum Payments Due in Four Years	1,651	1,392
Capital Leases, Future Minimum Payments Due in Five Years	1,219	952
Capital Leases, Future Minimum Payments Due Thereafter	3,925	3,802
Capital Leases, Future Minimum Payments Due	11,349	$ 11,383
Finance Lease, Liability, Undiscounted Excess Amount	1,809
Finance Lease, Liability, Payments, Due	$ 9,540