Corporate Transactions - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended				0 Months Ended				0 Months Ended			0 Months Ended
	May 13, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	May 30, 2013	Dec. 19, 2012 Sale to Holdings III [Member]	Dec. 20, 2012 Sale to Holdings III [Member]	May 13, 2013 Blackstone [Member]	May 13, 2013 Affiliate of Manager [Member]	Mar. 22, 2013 CT Legacy REIT [Member]	Dec. 19, 2012 CT Legacy REIT [Member]	Mar. 21, 2013 CT Legacy REIT [Member]	Dec. 19, 2012 CT CDOs II and IV [Member]
Subsidiary or Equity Method Investee [Line Items]
Joint venture agreement date	May 13, 2013
Percentage of equity interest purchased	100.00%				100.00%			16.70%	83.30%
Joint venture agreement end date	May 30, 2013
Preferred stock redemption amount in cash												$ 147,000
Increase in total equity		603,300,000								12,000,000
Purchase agreement, purchase price			21,424,000			21,400,000
Sale of outstanding class A preferred stock											100.00%
Class A common shares acquired by Holdings III, shares						500,000
Class A common shares acquired by Holdings III						10,000,000
Special cash dividend declared, per share		$ 0.72	$ 20.00	$ 0.00			$ 20.00
Gain on deconsolidation			$ 200,283,000										$ 53,900,000