Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Debt

As of June 30, 2018, future minimum principal payments for long-term debt are summarized as follows (in thousands):

2018 (remaining 6 months)	$	—
2019	—
2020	—
2021	—
2022	—
Thereafter	494,000
Total	$	494,000