Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Jan. 01, 2019
Maturity of lease liabilities
Remaining 2019	$ 2,601
2020	3,343
2021	3,097
2022	2,982
2023	2,611
2024 and after	12,706
Total lease payments	27,340
Less: Present value discount	4,165
Present value of lease liabilities	23,175	$ 23,800
Other Information
Operating cash flows from operating leases	753
ROU assets obtained in exchange for new operating lease liabilities	$ 23,324

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Amount of lessee's undiscounted obligation for lease payments for operating lease.

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