Earnings Per Share (Narrative) (Details) - shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | |||
| Weighted average nonvested restricted shares outstanding | 400,000 | 400,000 | 400,000 |
| Weighted average number of OP units outstanding | 81,000 | 81,000 | 83,000 |
| Market Performance-Based Equity Award [Member] | Chief Executive Officer [Member] | |||
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | |||
| Shares issuable under Stock incentive plan | 0 | 0 | 0 |