Intangible Lease Asset/Liability (Narrative) (Details) - USD ($) |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Intangible Lease Asset Liability [Abstract] | ||
| Unamortized intangible lease liabilities | $ 7,789,000 | $ 8,939,000 |
| Unamortized intangible lease assets | 100,000 | $ 200,000 |
| Accumulated amortization | $ 38,200,000 |