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Commitments and Contingencies (Schedule of Future Minimum Operating Lease Payments) (Details)
$ in Thousands
Mar. 31, 2018
USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
Operating Leases, Future Minimum Payments Due Through End of Current Year $ 2,609
Operating Leases, Future Minimum Payments, Due in Two Years 3,545
Operating Leases, Future Minimum Payments, Due in Three Years 2,866
Operating Leases, Future Minimum Payments, Due in Four Years 2,532
Operating Leases, Future Minimum Payments, Due in Five Years 2,158
Operating Leases, Future Minimum Payments, Due Thereafter 24,651
Operating Leases, Future Minimum Payments Due $ 38,400