Stockholders' Equity - Schedule of Stock Based Compensation Expense Awards under Equity Plans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	$ 1,868	$ 3,838	$ 3,045
2011 Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	3,400	2,800	100
2015 Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	1,500
Equity Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	1,868	3,838	3,045
Equity Awards [Member] | 2011 Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	0	3,416	2,823
Equity Awards [Member] | 2015 Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	1,498	0	0
Equity Awards [Member] | Board of Directors Compensation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	370	337	222
Common Stock | Equity Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	$ 0	$ 85	$ 0