Stock Plans and Other Incentives - Total Compensation Cost (Detail) (USD $)	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2014	$ 1,037,000
2015	520,000
2016	80,000
Total compensation cost	1,637,000
Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2014
2015
2016
Total compensation cost
RSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2014	1,037,000
2015	520,000
2016	80,000
Total compensation cost	$ 1,637,000