Leases - Future Minimum Lease Payments (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Finance Leases
2019	$ 148
2020	33
2021	17
2022	0
2023	0
Thereafter	0
Total lease payments	198
Less imputed interest	(3)
Total lease liabilities	195
Operating Leases
2019	13,350
2020	15,536
2021	11,488
2022	9,009
2023	7,770
Thereafter	29,351
Total lease payments	86,504
Less imputed interest	(24,213)
Total operating lease liabilities	$ 62,291