Stockholders' Equity - Summary of Stockholders' Equity (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Class A Common stock
Class Of Stock [Line Items]
Common stock, shares outstanding	2,392,107	2,386,107	2,375,307
Issued	5,000	6,000	10,800
Common stock, shares outstanding	2,397,107	2,392,107	2,386,107
Class B Common stock
Class Of Stock [Line Items]
Common stock, shares outstanding	10,000,000	10,000,000	10,000,000
Issued
Common stock, shares outstanding	10,000,000	10,000,000	10,000,000