Fair Value (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Level 1
Carrying value and estimated fair value of financial instruments, including accrued interests (where applicable), that are not recorded at fair value in their entirety on a recurring basis
Cash, cash equivalents and restricted cash	$ 33,076
Level 2
Carrying value and estimated fair value of financial instruments, including accrued interests (where applicable), that are not recorded at fair value in their entirety on a recurring basis
Assets held for sale, net of related liabilities (1)	11,243
Level 3
Carrying value and estimated fair value of financial instruments, including accrued interests (where applicable), that are not recorded at fair value in their entirety on a recurring basis
Loan Portfolio Assets and loans receivable held for investment	72,069
Notes payable and other debt obligations	49,277
Total
Carrying value and estimated fair value of financial instruments, including accrued interests (where applicable), that are not recorded at fair value in their entirety on a recurring basis
Cash, cash equivalents and restricted cash	33,076	39,347
Loan Portfolio Assets and loans receivable held for investment	72,069	83,880
Assets held for sale, net of related liabilities (1)	11,243	11,179
Notes payable and other debt obligations	49,277	61,731
Carrying Value
Carrying value and estimated fair value of financial instruments, including accrued interests (where applicable), that are not recorded at fair value in their entirety on a recurring basis
Cash, cash equivalents and restricted cash	33,076	39,347
Loan Portfolio Assets and loans receivable held for investment	51,162	59,276
Assets held for sale, net of related liabilities (1)	7,543	7,479
Notes payable and other debt obligations	$ 49,277	$ 61,731