Credit Facilities (Tables)

12 Months Ended

Dec. 31, 2018

Line of Credit Facility [Abstract]

Schedule of Maturities of Long-term Debt

At December 31, 2018, the aggregate future maturities of long-term debt by year are as follows (in thousands):

2019	$	75,000
2020	50,000
2021	—
2022	—
2023	—
Total	$	125,000