Contractual Obligations and Commitments - Summary of Other Information related to Operating Leases (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Commitments And Contingencies Disclosure [Abstract]
Operating lease right-of-use assets	$ 11,534
Operating lease liabilities	$ 16,178	[1]
Weighted average remaining lease term	9 years 2 months 12 days
Weighted average discount rate	8.00%

[1] Current portion of $1.3 million included in other current liabilities and the difference of $14.9 million included in long-term portion of lease liabilities on our condensed consolidated balance sheet.