Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Maturity of lease liabilities
Remaining 2019	$ 900
2020	3,425
2021	3,147
2022	3,024
2023	2,645
2024 and after	12,777
Total lease payments	25,918
Less: Present value discount	3,810
Present value of lease liabilities	22,108
Other Information
Operating cash flows from operating leases	2,521
ROU assets obtained in exchange for new operating lease liabilities	$ 23,496	$ 0

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

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