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Loans and Investments, Loan Modifications, Refinancings and/or Extensions (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 loan | Sep. 30, 2016 USD ($) loan | Sep. 30, 2017 USD ($) loan | Sep. 30, 2016 USD ($) loan
Troubled debt restructurings by asset class |  |  |  |
Number of Loans | loan |  | 2 |  | 2
Original Unpaid Principal Balance |  | $ 16,961,456 |  | $ 16,961,456
Original Wtd. Avg. Rate of Interest (as a percent) |  | 5.15% |  | 5.15%
Modified Unpaid Principal Balance |  | $ 16,961,456 |  | $ 16,961,456
Modified Wtd. Avg. Rate of Interest (as a percent) |  | 5.15% |  | 5.15%
Number of additional loans considered to be troubled debt restructurings | loan | 0 | 0 | 0 | 0
Hotel |  |  |  |
Troubled debt restructurings by asset class |  |  |  |
Number of Loans | loan |  |  | 1 |
Original Unpaid Principal Balance |  |  | $ 34,750,000 |
Original Wtd. Avg. Rate of Interest (as a percent) |  |  | 4.01% |
Modified Unpaid Principal Balance |  |  | $ 34,750,000 |
Modified Wtd. Avg. Rate of Interest (as a percent) |  |  | 4.01% |
Multifamily |  |  |  |
Troubled debt restructurings by asset class |  |  |  |
Number of Loans | loan |  | 1 |  | 1
Original Unpaid Principal Balance |  | $ 14,646,456 |  | $ 14,646,456
Original Wtd. Avg. Rate of Interest (as a percent) |  | 5.33% |  | 5.33%
Modified Unpaid Principal Balance |  | $ 14,646,456 |  | $ 14,646,456
Modified Wtd. Avg. Rate of Interest (as a percent) |  | 5.33% |  | 5.33%
Office |  |  |  |
Troubled debt restructurings by asset class |  |  |  |
Number of Loans | loan |  | 1 |  | 1
Original Unpaid Principal Balance |  | $ 2,315,000 |  | $ 2,315,000
Original Wtd. Avg. Rate of Interest (as a percent) |  | 4.03% |  | 4.03%
Modified Unpaid Principal Balance |  | $ 2,315,000 |  | $ 2,315,000
Modified Wtd. Avg. Rate of Interest (as a percent) |  | 4.03% |  | 4.03%

X
- Definition Represents the number of additional financing receivables that have been modified during the period that the entity considered to be troubled debt restructurings. + References No definition available. + Details
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X
- Definition The number of financing receivables that have been modified during the period that the company considered to be troubled debt restructurings. + References No definition available. + Details
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- Definition The amount of unpaid principal balance (after modification) in financing receivables that have been modified during the period that the company considered to be troubled debt restructurings. + References No definition available. + Details
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- Definition The amount of the outstanding recording investment related to financing receivables modified during the period that the company considered to be troubled debt restructurings. + References No definition available. + Details
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- Definition Represents the weighted average interest rate on a group of loans after modifications that the company considered to be troubled debt restructurings. + References No definition available. + Details
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X
- Definition Represents the weighted average interest rate on a group of loans before modifications that the company considered to be troubled debt restructurings. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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