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Troubled Debt Restructurings (Details Textual) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2018 USD ($) Investments | Jun. 30, 2017 | Dec. 31, 2017 USD ($) Investments
Troubled Debt Restructurings (Textual) |  |  |
Total number of loans classified under troubled debt restructurings (TDRs) | Investments | 28 |  | 21
Total sum of loans classified as troubled debt restructurings (TDRs) | $ | $ 10,600 |  | $ 7,800
Number of months previous loan payment defaulted | 12 months | 12 months |

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- Definition Aggregate sum of loans classified as troubled debt restructurings. + References No definition available. + Details
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