Credit Facilities (Tables)

12 Months Ended

Dec. 31, 2016

Line of Credit Facility [Abstract]

Schedule of Maturities of Long-term Debt

At December 31, 2016, the aggregate future maturities of long-term debt by year are as follows (in thousands):

2017	$	20,000
2018	—
2019	75,000
2020	85,000
2021	—
Total	$	180,000