Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments And Contingencies Disclosure [Abstract]

Future Minimum Lease Payments Net of Sublease Rental Income

The Company leases office space under operating leases. Future minimum lease payments under these leases, net of sublease rental income, as of December 31, 2017 are as follows:

In thousands
Year Ending December 31,	Operating Leases
2018	$	642
2019		156
2020-2022		—
Total	$	798