Description of Business and Organization (Details)	Dec. 31, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Initial shares common authorized (in shares)	5,000,000
Initial shares preferred authorized (in shares)	5,000,000
Amended and restated authorized common shares (in shares)	200,000,000
Amended and restated authorized preferred shares (in shares)	50,000,000