Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of annual principal payments on debt

Annual principal payments on debt at March 31, 2018, are as follows:

(In thousands)
Years Ending December 31,	Amount
2018	$	417
2019	5,000
2020	5,000
2021	7,083
2022	—
Thereafter	—
	$	17,500