Employee Benefit Plans (Detail) - Status of Restricted Stock Awarded under the Company’s Restricted Stock Plan (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non vested balance at beginning of period	933,887	1,199,661
Granted	60,805
Forfeited	(181,687)	(181,696)
Vested	(243,709)	(84,078)
Non vested balance at end of period	569,296	933,887
Non vested balance at beginning of period (in dollars per share)	$ 6.22	$ 6.26
Granted (in dollars per share)	$ 4.88
Forfeited (in dollars per share)	$ 5.11	$ 5.97
Vested (in dollars per share)	$ 8.95	$ 7.33
Non vested balance at end of period (in dollars per share)		$ 6.22
Restricted Stock [Member] | Ending Balance [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non vested balance at end of period	569,296	933,887
Non vested balance at end of period (in dollars per share)	$ 5.26	$ 6.22
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non vested balance at beginning of period	423,264	0
Granted	33,822	432,264
Forfeited	(71,223)	(9,000)
Vested	(14,361)	0
Non vested balance at end of period	371,502	423,264
Non vested balance at beginning of period (in dollars per share)	$ 4.29	$ 0.00
Granted (in dollars per share)	$ 5.13	$ 4.33
Forfeited (in dollars per share)	$ 4.31	$ 5.92
Vested (in dollars per share)	$ 5.07	$ 0.00
Non vested balance at end of period (in dollars per share)	$ 4.34	$ 4.29