Lease Commitments (Future Minimum Payments) (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Lease Commitments [Abstract]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 43,512
Operating Leases, Future Minimum Payments, Due in Two Years	42,603
Operating Leases, Future Minimum Payments, Due in Three Years	35,710
Operating Leases, Future Minimum Payments, Due in Four Years	28,229
Operating Leases, Future Minimum Payments, Due in Five Years	22,031
Operating Leases, Future Minimum Payments, Due Thereafter	80,060
Operating Leases, Future Minimum Payments Due, Total	252,145
Operating Leases, Future Minimum Payments Receivable, Current	(4,087)
Operating Leases, Future Minimum Payments Receivable, in Two Years	(3,716)
Operating Leases, Future Minimum Payments Receivable, in Three Years	(2,712)
Operating Leases, Future Minimum Payments Receivable, in Four Years	(2,461)
Operating Leases, Future Minimum Payments Receivable, in Five Years	(2,106)
Operating Leases, Future Minimum Payments Receivable, Thereafter	(9,850)
Operating Leases, Future Minimum Payments Receivable, Total	$ (24,932)