Information on Operating Segments and Reconciliation to Income From Operations (Parenthetical) (Detail) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Impairment of intangibles	$ 6,400,000
Impairment charges		6,400,000		54,132,407		0
Segment, Continuing Operations [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Impairment charges		$ 6,400,000	[1]	$ 18,732,407	[1]	$ 0	[1]

[1] During the fourth quarter of 2013, the Company recorded a trade names impairment charge of $6,400,000. During the year ended December 31, 2012, the Company recorded pretax impairment charges in its continuing operations of $18,732,407. Refer to discussion in Note 4-Goodwill, Trade Names and Other Identifiable Intangible Assets.