Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

The estimated fair values of our financial instruments at the dates presented below are as follows:



	March 31,				December 31,
	2018				2017
	Carrying		Fair		Carrying		Fair
(In thousands)	Amount		Value		Amount		Value
Cash and cash equivalents (Level 1)	$	12,064	$	12,064	$	15,738	$	15,738
Borrowings under revolving credit facilities (Level 2)	168,500		168,417		155,000		154,882
Long-term debt (Level 2)	575,000		554,875		575,000		569,250