CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income	$ 1,540	$ 10,537
Other comprehensive loss, net of tax
Unrealized gains on investments	16	5
Unrealized losses on interest rate cap		(13)
Foreign currency translation adjustments	(42)	(11)
Total other comprehensive loss, net of tax	(26)	(19)
Comprehensive income	$ 1,514	$ 10,518