Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Cash and Cash Equivalents and Investments

Cash and cash equivalents and investments consist of the following:

	December 31,
	2013		2012
	(In Thousands)
Cash and cash equivalents
Cash	$	28,436	$	15,129
Money market funds	62,261		62,278
Total cash and cash equivalents	90,697		77,407
Long-term investments
U.S. Treasury Bills	2,599		2,599
Total cash and cash equivalents and investments	$	93,296	$	80,006