Leases and Commitments Future Minimum Operating and Financing Lease Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Leases [Abstract]
Finance Lease, Liability, Payments, Due Next Twelve Months	$ 1,758
Operating Leases, Future Minimum Payments Due, Next Twelve Months	4,761
Finance Lease, Liability, Payments, Due Year Two	3,356
Operating Leases, Future Minimum Payments, Due in Two Years	7,657
Finance Lease, Liability, Payments, Due Year Three	3,062
Operating Leases, Future Minimum Payments, Due in Three Years	5,735
Finance Lease, Liability, Payments, Due Year Four	2,506
Operating Leases, Future Minimum Payments, Due in Four Years	3,470
Finance Lease, Liability, Payments, Due Year Five	2,451
Operating Leases, Future Minimum Payments, Due in Five Years	1,287
Finance Lease, Liability, Payments, Due after Year Five	27,498
Operating Leases, Future Minimum Payments, Due Thereafter	2,201
Finance Lease, Liability, Payments, Due	40,631
Operating Leases, Future Minimum Payments Due	25,111
Financing Leases, Future Minimum Payments, Interest Included in Payments	(11,270)
Operating Leases, Future Minimum Payments, Interest Included in Payments	(3,718)
Financing Leases, Future Minimum Payments, Present Value of Net Minimum Payments	29,361
Operating Leases, Future Minimum Payments, Present Value of Net Minimum Payments	21,393
Finance Lease, Liability, Current	(2,258)	$ (2,110)
Operating Lease, Liability, Current	(7,339)	0
Financing Lease Liability, non-current	27,103	27,802
Operating Lease, Liability, Noncurrent	$ 14,054	$ 0