Segment Reporting - Schedule of Revenue for Major Markets (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Total	$ 43,032	$ 40,468	$ 41,085	$ 42,039	$ 39,034	$ 37,982	$ 38,496	$ 34,349	$ 166,624	$ 149,861	$ 123,212
Creative Professional [Member]
Segment Reporting Information [Line Items]
Total									63,689	51,751	31,556
OEM [Member]
Segment Reporting Information [Line Items]
Total									$ 102,935	$ 98,110	$ 91,656