Stockholders' Equity and Share-Based Compensation Stockholders' Equity and Share-Based Compensation - Summary of Share Repurchase (Detail) (Details) - Treasury Stock [Member] - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Class of Stock [Line Items]
Total Number of Shares Purchased		297,000	47,000	11,000
Share Repurchase Program [Domain]
Class of Stock [Line Items]
Total Number of Shares Purchased	188,119	188,119,000
Average Price per Share	$ 22.44	$ 22.44
Maximum Dollar Value That May Yet Be Purchased Under the Plans or Programs	$ 45,778	$ 45,778