Equity - Additional Information (Detail) (USD $)	12 Months Ended				2 Months Ended						12 Months Ended			1 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Nov. 30, 2013 CT Legacy Partners [Member]	Nov. 30, 2013 Accumulated Other Comprehensive Loss [Member]	Dec. 31, 2013 Accumulated Other Comprehensive Loss [Member]	Dec. 31, 2012 Accumulated Other Comprehensive Loss [Member]	Dec. 31, 2011 Accumulated Other Comprehensive Loss [Member]	Dec. 31, 2010 Accumulated Other Comprehensive Loss [Member]	Dec. 31, 2013 Non-controlling Interests [Member]	Dec. 31, 2012 Non-controlling Interests [Member]	Dec. 31, 2011 Non-controlling Interests [Member]	May 29, 2013 Class A Common Stock [Member]	Dec. 31, 2013 Class A Common Stock [Member]	May 06, 2013 Class A Common Stock [Member]
Increase in total equity	$ 603,300,000
Total equity	756,750,000	153,453,000	(128,939,000)	(411,187,000)			798,000		(40,584,000)	(50,462,000)	38,841,000	80,009,000	(18,515,000)
Accumulated other comprehensive income	798,000								(40,584,000)	(50,462,000)
Aggregate distributions						100,000,000
Proceeds from distributions					46,600,000						53,400,000
Total stock, shares authorized	200,000,000
Common stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares authorized	100,000,000
Common stock, shares outstanding	28,802,000	2,927,000														2,926,651
Reverse stock split ratio															0.1
Description reverse stock split															On April 26, 2013, our board of directors approved a one-for-ten reverse stock split of our class A common stock which we effected on May 6, 2013.
Reclassification of common stock to additional paid-in capital															263,000
Additional shares issued														25,875,000
Additional shares, purchase price														$ 25.50
Issuance of additional shares, net proceeds after underwriter discounts and other offering expenses														633,800,000
Common stock, restricted common stock and stock units, shares issued and outstanding	29,602,884
Dividends declared, amount	$ 21,100,000	$ 49,800,000	$ 0
Dividends per common stock	$ 0.72	$ 20.00	$ 0.00