Leases - Maturities of Operating and Finance Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019
Operating leases
2020 (excluding the three months ended June 30, 2019)	$ 3,260
2021	4,432
2022	3,669
2023	2,291
2024	2,099
Thereafter	5,913
Total undiscounted future minimum lease paymets	21,664
Less: difference between undiscounted lease payments and discounted operating lease liabilities	(5,923)
Total operating lease liabilities	15,741
Finance leases
2020 (excluding the three months ended June 30, 2019)	22
2021	23
2022	15
2023	0
2024	0
Thereafter	0
Total undiscounted future minimum lease paymets	60
Less: difference between undiscounted lease payments and discounted operating lease liabilities	(5)
Total operating lease liabilities	$ 55
Operating leases
2020		$ 4,143
2021		3,945
2022		3,166
2023		1,916
2024		1,770
Thereafter		4,497
Total lease payments		19,437
Finance leases
2020		27
2021		23
2022		15
2023		0
2024		0
Thereafter		0
Total lease payments		65
Less: Amounts representing interest		(8)
Present value of lease liabilities		$ 57