Property and Equipment and Leases Future Minimum Lease Payments for Capital and Operating Leases (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Capital Leases, Future Minimum Payments Due 2016	$ 24,841
Capital Leases, Future Minimum Payments Due 2017	18,935
Capital Leases, Future Minimum Payments Due 2018	10,398
Capital Leases, Future Minimum Payments Due 2019	9,827
Capital Leases, Future Minimum Payments Due 2020	16,672
Capital Leases, Future Minimum Payments Due Thereafter	43,738
Capital Leases, Future Minimum Payments Due	124,411
Operating Leases, Future Minimum Payments Due 2016	112,230
Operating Leases, Future Minimum Payments, Due 2017	93,761
Operating Leases, Future Minimum Payments, Due 2018	81,471
Operating Leases, Future Minimum Payments, Due 2019	64,122
Operating Leases, Future Minimum Payments, Due 2020	50,601
Operating Leases, Future Minimum Payments, Due Thereafter	304,819
Operating Leases, Future Minimum Payments Due	707,004
Total Capital and Operating Leases, Future Minimum Payments Due 2016	137,071
Total Capital and Operating Leases, Future Minimum Payments, Due in 2017	112,696
Total Capital and Operating Leases, Future Minimum Payments, Due 2018	91,869
Total Capital and Operating Leases, Future Minimum Payments, Due 2019	73,949
Total Capital and Operating Leases, Future Minimum Payments, Due 2020	67,273
Total Capital and Operating Leases, Future Minimum Payments, Due Thereafter	348,557
Total Capital and Operating Leases, Future Minimum Payments	$ 831,415