CT Legacy REIT (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended			11 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 CT Legacy REIT
Income Statement
Total revenues (2)																$ 228,379	[1],[2]
Total expenses (3)																(19,793)	[1]
Net income (loss) attributable to Capital Trust, Inc.	105,189	6,999	2,283	66,553	(8,320)	13,722	(1,845)	254,585	9,915	(134,709)	2,902	(63,452)	181,024	258,142	(185,344)	208,586	[1],[3]
Balance Sheet
Total assets	$ 322,343				$ 1,366,316								$ 322,343	$ 1,366,316		$ 493,842

[1] Includes activity and balances of VIEs consolidated by CT Legacy Asset.

[2] Includes interest income, gain on extinguishment of debt, gain on deconsolidation of subsidiaries, and gain on sale of investments.

[3] Includes interest expense, general and administrative expenses, provisions, impairments, and other items.