Other Noncurrent Liabilities (Tables)

3 Months Ended

Mar. 31, 2017

Other Liabilities Disclosure [Abstract]

Summary of Other Noncurrent Liabilities

	December 31,		March 31,
	2016		2017
	(In thousands)
Reserve for uncertain tax positions	$	12,186	$	12,186
Insurance claims and expenses		589		607
Other		767		752
Total	$	13,542	$	13,545