Leases - Value of Lease Liabilities (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Operating Leases
2019	$ 4,529
2020	4,017
2021	4,025
2022	2,542
2023	973
Subsequent years	203
Total lease payments	16,289
Less: Interest	1,482
Present value of lease liabilities	14,807
Financing Leases
2019	222
2020	190
2021	100
2022	38
2023	11
Subsequent years	0
Total lease payments	561
Less: Interest	40
Present value of lease liabilities	521
Total
2019	4,751
2020	4,207
2021	4,125
2022	2,580
2023	984
Subsequent years	203
Total lease payments	16,850
Less: Interest	1,522
Present value of lease liabilities	$ 15,328