Other Assets and Deferred Charges, Net (Schedule of Future Charges of Unamortized Balances of Deferred Lease Origination Costs and Deferred Financing Costs) (Details) - USD ($) |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Deferred Costs And Other Assets [Line Items] | ||
| Lease origination costs, 2022 | $ 2,311,000 | |
| Lease origination costs, 2023 | 2,046,000 | |
| Lease origination costs, 2024 | 1,733,000 | |
| Lease origination costs, 2025 | 1,451,000 | |
| Lease origination costs, 2026 | 1,263,000 | |
| Lease origination costs, thereafter | 6,429,000 | |
| Lease origination costs | 15,233,000 | $ 22,331,000 |
| Financing costs | 3,129,000 | 2,002,000 |
| Unsecured Revolving Credit Facility [Member] | ||
| Deferred Costs And Other Assets [Line Items] | ||
| Financing costs, 2022 | 424,000 | |
| Financing costs, 2023 | 424,000 | |
| Financing costs, 2024 | 286,000 | |
| Financing costs | $ 1,134,000 | $ 623,000 |