Fair Value (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Financial assets:
Investment in CT Legacy Assets
CT Legacy REIT, Excluding Securitization Vehicles
Financial assets:
Investment in CT Legacy Assets	90,700
Securitization Vehicles
Financial assets:
Securities held-to-maturity	157,800	350,200
Carrying Amount
Financial assets:
Cash and cash equivalents	34,604	34,818
Loans receivable, net	1,619	19,282
Financial liabilities:
Secured notes	8,176	7,847
Participations sold	1,619	19,282
Carrying Amount | CT Legacy REIT, Excluding Securitization Vehicles
Financial assets:
Loans receivable, net		206,514
Restricted cash	15,433	12,985
Securities held-to-maturity		2,602
Investment in CT Legacy Assets	90,700
Financial liabilities:
Participations sold		97,465
Repurchase obligations		58,464
Mezzanine loan		55,111
Carrying Amount | Securitization Vehicles
Financial assets:
Loans receivable, net	241,644	612,598
Securities held-to-maturity	166,630	358,972
Financial liabilities:
Securitized debt obligations	518,140	1,211,407
Face Amount
Financial assets:
Cash and cash equivalents	34,604	34,818
Loans receivable, net	1,619	19,282
Financial liabilities:
Secured notes	8,176	7,847
Participations sold	1,619	19,282
Face Amount | CT Legacy REIT, Excluding Securitization Vehicles
Financial assets:
Loans receivable, net		435,973
Restricted cash	15,433	12,985
Securities held-to-maturity		29,251
Financial liabilities:
Participations sold		97,465
Repurchase obligations		58,464
Mezzanine loan		55,111
Face Amount | Securitization Vehicles
Financial assets:
Loans receivable, net	339,808	815,716
Securities held-to-maturity	248,862	490,940
Financial liabilities:
Securitized debt obligations	518,140	1,210,992
Fair Value
Financial assets:
Cash and cash equivalents	34,604	34,818
Loans receivable, net	1,619	17,354
Financial liabilities:
Secured notes	6,965	6,436
Participations sold	1,586	17,354
Fair Value | CT Legacy REIT, Excluding Securitization Vehicles
Financial assets:
Loans receivable, net		180,439
Restricted cash	15,433	12,985
Securities held-to-maturity		1,638
Investment in CT Legacy Assets	90,700
Financial liabilities:
Participations sold
Repurchase obligations		54,556
Mezzanine loan		71,475
Fair Value | Securitization Vehicles
Financial assets:
Loans receivable, net	220,450	570,936
Securities held-to-maturity	157,843	350,180
Financial liabilities:
Securitized debt obligations	$ 301,960	$ 767,619