Contingencies Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Mar. 31, 2019
Loss Contingencies [Line Items]
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 19,608
Operating Leases, Future Minimum Payments Due, Next Twelve Months		$ 24,008
Operating Leases, Future Minimum Payments Receivable, in Two Years		18,567
Operating Leases, Future Minimum Payments Receivable, in Three Years		13,917
Operating Leases, Future Minimum Payments Receivable, in Four Years		11,929
Operating Leases, Future Minimum Payments, Due Thereafter		93,939
Operating Leases, Future Minimum Payments Due		162,360
Lessor, Operating Lease, Payments to be Received, Five Years	11,645
Fixed Operating Lease Expense	7,049
Capital Lease Obligations, Current	20,139	0
Capital Lease Obligations, Noncurrent	102,488	0
Operating Leases, Future Minimum Payments, Due in Two Years	20,882
Lessor, Operating Lease, Payments to be Received, Four Years	16,377
Lessor, Operating Lease, Payments to be Received, Five Years	13,920
Finance Lease, Liability, Payments, Due after Year Five	78,771
Lessee, Operating Lease, Liability, Payments, Due	161,203
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	38,576
Operating Lease, Liability	122,627
Operating Lease, Payments	6,880
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	8,506
Operating Lease, Right-of-Use Asset	122,521	$ 0
Variable Operating Lease Expense	1,014
Operating Lease, Payments	$ 8,063