v3.19.1

Leases - Schedule of Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Operating Leases
April 1, 2019 - December 31, 2019	$ 2,739
January 1, 2020 - December 31, 2020	3,609
January 1, 2021 - December 31, 2021	3,508
January 1, 2022 - December 31, 2022	3,541
January 1, 2023 - December 31, 2023	3,626
January 1, 2024 - December 31, 2024	3,639
Thereafter	5,235
Total future minimum lease payments	25,897
Less: Imputed interest	(4,246)
Total	21,651
Operating Lease, Liability, Current	2,736	$ 0
Operating Lease, Liability, Noncurrent	18,915	0
Finance Leases
April 1, 2019 - December 31, 2019	3,142
January 1, 2020 - December 31, 2020	2,784
January 1, 2021 - December 31, 2021	574
January 1, 2022 - December 31, 2022	0
January 1, 2023 - December 31, 2023	0
January 1, 2024 - December 31, 2024	0
Thereafter	0
Total future minimum lease payments	6,500
Less: Imputed interest	(182)
Total	6,318
Current portion of finance leases	3,843	4,201
Long-term portion of finance leases	$ 2,475	$ 3,293

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