Commitments and Contingencies - Summary of Operating Leases and Debt Obligations (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Commitments And Contingencies Disclosure [Abstract]
Debt obligations, 3 to 5 Years	$ 115,000	[1]
Debt obligations, Total	115,000	[1]
Operating leases, Less than 1 Year	2,716	[2]
Operating leases, 1 to 3 Years	4,027	[2]
Operating leases, 3 to 5 Years	3,192	[2]
Operating leases, More than 5 Years	19	[2]
Total minimum lease payments	9,954	[2]
Lease and debt obligation, Less than 1 Year	2,716
Lease and debt obligation, 1 to 3 Years	4,027
Lease and debt obligation, 3 to 5 Years	118,192
Lease and debt obligation, More than 5 Years	19
Lease and debt obligation, Total	$ 124,954

[1] The debt obligation balance excludes $25.5 million of debt discount capitalized on our balance sheet and shown net of our debt obligations.

[2] Operating leases include total future minimum rent payments under non-cancelable operating lease agreements.