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Investments - Schedule of Real Estate Investment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Real Estate [Line Items] |  |  |
Investment real estate, net | $ 15,585 | $ 24,439 |
Proceeds from sales of investment real estate | 10,537 | 0 | $ 0
Realized gains on sales of investment real estate | 1,213 | 0 | $ 0
Income Producing [Member] |  |  |
Real Estate [Line Items] |  |  |
Investment real estate | 14,679 | 14,619 |
Less: Accumulated depreciation | (1,284) | (870) |
Investment real estate, net | 13,395 | 13,749 |
Non-Income Producing [Member] |  |  |
Real Estate [Line Items] |  |  |
Investment real estate | $ 2,190 | $ 10,690 |

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