Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Cash and Cash Equivalents and Investments

Cash and cash equivalents and investments consist of the following:

	December 31,
	2016		2015
	(In Thousands)
Cash and cash equivalents
Cash	$	49,495	$	33,764
Money market funds	56,208		54,745
Total cash and cash equivalents	105,703		88,509
Investments
Short-term investments	63		—
Long-term restricted cash	1,181		2,598
Total cash and cash equivalents and investments	$	106,947	$	91,107