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Summary of significant accounting policies (Detail Textuals) |  |  | 6 Months Ended
--- | --- | --- | ---
Jun. 07, 2016 shares | Jul. 08, 2014 | Jun. 30, 2016 USD ($) Segment shares
Summary Of Significant Accounting Policies [Line Items] |  |  |
Annual retainer amount |  |  | $ 50,000
Depreciation method |  |  | straight-line method
Estimated useful lives of an assets |  |  | three to 27.5 years
Number of operating segment | Segment |  |  | 1
Accounting Standards 2015 - 03 |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Reduction in prepaid expenses and other assets |  |  | $ 4,900,000
Reduction in secured borrowings |  |  | $ 4,900,000
Servicing agreement | Gregory |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Percentage of fair market value of REO |  |  | 1.00%
Percentage of purchase price of REO |  |  | 1.00%
Servicing agreement | Gregory | Minimum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Servicing fees percentage |  | 0.65% | 0.65%
Servicing agreement | Gregory | Maximum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Servicing fees percentage |  | 1.25% | 1.25%
2014 Director Equity Plan | Restricted stock |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of shares issued to independent directors | shares |  |  | 2,000
Vesting period |  |  | 1 year
Annual retainer amount |  |  | $ 50,000
2016 Equity Incentive Plan |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Percentage of outstanding shares on a fully diluted basis | 5.00% |  |
Number of shares available under for distribution | shares | 793,905 |  |

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