Lease Financing Obligation (Tables)

12 Months Ended

Dec. 31, 2017

Payments Required on Lease Financing Obligations

At December 31, 2017, the minimum lease payments required on the financing obligation were as follows (in thousands):

2018	$	4,260
2019		4,388
2020		4,520
2021		4,655
2022		4,795
Thereafter through 2025		11,307
Total minimum lease payments	$	33,925