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Loan Participations Payable, net (Details) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Loan Participations Payable, net [Line Items] |  |  |
Proceeds from loan participations payable | $ 22,844,000 | $ 138,075,000 |
Unfunded commitments | 537,295,000 |  |
Loans receivable, net | 1,508,503,000 |  | $ 1,539,696,000
Loan participations payable, net | 186,854,000 |  | 152,086,000
Loan Participations Payable |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Loan participations payable, net | 186,900,000 |  | $ 152,100,000
Loan Participation Payable One |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Loans receivable, commitments | 50,000,000.0 |  |
Unfunded commitments | 50,000,000 |  |
Loan Participation Payable Two |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Loans receivable, commitments | 169,000,000 |  |
Loans receivable, funded commitment | 22,800,000.0 |  |
Proceeds from loan participations payable | 22,700,000 |  |
Unfunded commitments | $ 146,200,000 |  |
Stated interest rates | 3.00% |  |
Description of variable rate basis |  | LIBOR |
Basis spread on variable rate |  | 3.50% |
Loans receivable, amount funded to borrower | $ 5,600,000 |  |
Loan Participation Payable Two | Minimum |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  | 0.25% |
Loan Participation Payable Three |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Loans receivable, commitments |  | $ 250,000,000.0 |
Loans receivable, funded commitment |  | 38,900,000.0 |
Proceeds from loan participations payable |  | 38,900,000 |
Unfunded commitments |  | 61,100,000 |
Loan participations payable, carrying amount |  | 100,000,000.0 |
Loans receivable with fixed rates of interest |  |  | 5.90%
Loans receivable, amount funded to borrower | 6,700,000 | 3,400,000 |
Loans receivable, net | 59,700,000 |  |
Loan Participation Payable Four |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Loans receivable, commitments |  | 220,200,000.0 |
Loans receivable, funded commitment |  | 100,000,000.0 |
Proceeds from loan participations payable |  | 99,200,000 |
Loan participations payable, carrying amount |  | $ 100,000,000.0 |
Loan Participations Payable |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Loans receivable, net | $ 186,600,000 |  | $ 153,000,000
Loan Participation Payable Two | Loan Participation Payable One |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Variable interest rate, spread | 5.00% |  |
London Interbank Offered Rate (LIBOR) | Loan Participation Payable One |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Variable interest rate, spread | 4.50% |  |
London Interbank Offered Rate (LIBOR) | Loan Participation Payable One | Minimum |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Variable interest rate, spread | 0.43% |  |
London Interbank Offered Rate (LIBOR) | Loan Participation Payable Two | Minimum |  |  |
Loan Participations Payable, net [Line Items] |  |  |
Variable interest rate, spread | 0.50% |  |

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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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