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Significant Accounting Policies (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 USD ($) properties | Sep. 30, 2020 USD ($) properties | Sep. 30, 2019 USD ($)
Financing Receivable, Allowance for Credit Loss | $ 4,907 | $ 4,907 | $ 0
Variable Interest Entity Number Of Entities Not Primary Beneficiary | properties | 8 | 8 |
Off-Balance Sheet, Credit Loss, Liability | $ 320 | $ 320 |
Lease Payment Deferral [Member] |  |  |
Operating Lease, Lease Income | 2,654 |  |
Lease Payment Deferral [Member] | Bickford Senior Living [Member] |  |  |
Operating Lease, Lease Income |  | 2,100 |
Accounting Standards Update 2016-13 [Member] |  |  |
Financing Receivable, Allowance for Credit Loss | 3,900 | 3,900 |
Off-Balance Sheet, Credit Loss, Liability | $ 325 | $ 325 |

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