Rental Expense and Lease Commitments (Details) $ in Thousands	Mar. 31, 2018 USD ($)
Operating Leased Assets [Line Items]
Operating Leases, Future Minimum Payments Receivable, Current	$ 10,188
2020	7,057
2021	5,636
2022	4,221
Operating Leases, Future Minimum Payments, Due in Five Years	3,551
Thereafter	8,766
Total	39,419
Real Property
Operating Leased Assets [Line Items]
Operating Leases, Future Minimum Payments Receivable, Current	8,412
2020	5,741
2021	4,789
2022	3,800
Operating Leases, Future Minimum Payments, Due in Five Years	3,242
Thereafter	8,463
Total	34,447
Vehicles/Equipment
Operating Leased Assets [Line Items]
Operating Leases, Future Minimum Payments Receivable, Current	1,776
2020	1,316
2021	847
2022	421
Operating Leases, Future Minimum Payments, Due in Five Years	309
Thereafter	303
Total	$ 4,972