Segment Information - Summary of Revenue and Long Lived Assets by Geographical Areas (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Principal Transaction Revenue [Line Items]
Sales	$ 163,695	$ 187,850	$ 245,594	$ 274,053	$ 153,331	$ 175,780	$ 230,504	$ 284,179	$ 871,192	$ 843,794	$ 886,945
Long-Lived Assets (excluding deferred tax assets)	226,151				232,775				226,151	232,775	238,433
United States
Principal Transaction Revenue [Line Items]
Sales									447,613	446,474	421,773
Long-Lived Assets (excluding deferred tax assets)	199,617				205,952				199,617	205,952	210,152
Europe
Principal Transaction Revenue [Line Items]
Sales									122,805	125,116	134,401
Long-Lived Assets (excluding deferred tax assets)	7,260				8,414				7,260	8,414	7,070
Japan
Principal Transaction Revenue [Line Items]
Sales									170,760	138,031	166,162
Long-Lived Assets (excluding deferred tax assets)	6,201				4,445				6,201	4,445	4,873
Rest of Asia
Principal Transaction Revenue [Line Items]
Sales									67,099	70,315	89,603
Long-Lived Assets (excluding deferred tax assets)	2,668				2,868				2,668	2,868	2,936
Other foreign countries
Principal Transaction Revenue [Line Items]
Sales									62,915	63,858	75,006
Long-Lived Assets (excluding deferred tax assets)	$ 10,405				$ 11,096				$ 10,405	$ 11,096	$ 13,402