Mortgage Loans Payable and Unsecured Credit Facilities (Schedule of Principal Payments on Mortgage Loan Payable, Finance Lease Obligation, Unsecured Term Loans, and Unsecured Credit Facility) (Details) |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2021
USD ($)
Term
|
Dec. 31, 2020
USD ($)
|
|
| Debt Instrument, Gross | ||
| 2022 | $ 1,153,000 | |
| 2023 | 101,199,000 | |
| 2024 | 142,247,000 | |
| 2025 | 76,297,000 | |
| 2026 | 90,970,000 | |
| Thereafter | 118,301,000 | |
| Total | 530,167,000 | |
| Unamortized Debt Issuance Costs | ||
| 2022 | (600,000) | |
| 2023 | (518,000) | |
| 2024 | (451,000) | |
| 2025 | (359,000) | |
| 2026 | (243,000) | |
| Thereafter | (958,000) | |
| Unamortized Debt Issuance Costs | (3,129,000) | $ (2,002,000) |
| Debt Instrument, Net | ||
| 2022 | 553,000 | |
| 2023 | 100,681,000 | |
| 2024 | 141,796,000 | |
| 2025 | 75,938,000 | |
| 2026 | 90,727,000 | |
| Thereafter | 117,343,000 | |
| Total debt | 527,038,000 | |
| Revolving Credit Facility [Member] | ||
| Debt Instrument, Gross | ||
| 2024 | 66,000,000 | |
| Total | $ 66,000,000 | |
| Debt Instrument, Net | ||
| Line of credit facility extension allowed term | Term | 2 | |
| Line of credit facility extension allowed period | 1 year | |
| Term Loan [Member] | ||
| Debt Instrument, Gross | ||
| 2023 | $ 100,000,000 | |
| 2024 | 75,000,000 | |
| 2025 | 75,000,000 | |
| 2026 | 50,000,000 | |
| Total | 300,000,000 | |
| Mortgage Loans Payable [Member] | ||
| Debt Instrument, Gross | ||
| 2022 | 1,116,000 | |
| 2023 | 1,160,000 | |
| 2024 | 1,206,000 | |
| 2025 | 1,253,000 | |
| 2026 | 40,922,000 | |
| Thereafter | 112,914,000 | |
| Total | 158,571,000 | |
| Finance Lease Obligation [Member] | ||
| Debt Instrument, Gross | ||
| 2022 | 37,000 | |
| 2023 | 39,000 | |
| 2024 | 41,000 | |
| 2025 | 44,000 | |
| 2026 | 48,000 | |
| Thereafter | 5,387,000 | |
| Total | $ 5,596,000 |