Organization and Basis of Presentation (Details)	0 Months Ended	1 Months Ended
	Oct. 05, 2012	Mar. 31, 2012
Reverse stock split ratio		10
Class B-1 common stock
Stock dividend declared per share (in shares)		1
Period of conversion into Class A common stock from listing date (in months)		6 months
Shares of Class B common stock converted to Class A common stock	48,518
Class B-2 common stock
Stock dividend declared per share (in shares)		1
Period of conversion into Class A common stock from listing date (in months)		12 months
Class B-3 common stock
Stock dividend declared per share (in shares)		1
Period of conversion into Class A common stock from listing date (in months)		18 months
Class B common stock
Period of conversion into Class A common stock from listing date (in months)		18 months