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Noncontrolling Interests - Holders of Convertible Limited Partnership Units in the Operating Partnership (Details) - shares |  | 3 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2022 | Mar. 31, 2021
Noncontrolling Interest [Line Items] |  |  |
Limited partnership units (in shares) | 8,800,000 | 8,800,000 |
Leasehold Interest Contributed In Contribution Agreement |  |  |
Noncontrolling Interest [Line Items] |  |  |
Number of partnership units issued in transaction (in shares) | 469,740 |  |
Noncontrolling Interests |  |  |
Noncontrolling Interest [Line Items] |  |  |
Limited partnership units, conversion ratio | 1 | 1 |
Outstanding stock percent that should be acquired for rights to be exercised (as a percent) | 39.90% | 39.90% |
Limited partnership units convertible into shares of common stock, eligible for conversion (in shares) | 350,000 | 350,000 |
Fully converted partnership units and diluted weighted average shares outstanding |  | 33,900,000 | 32,000,000
Partners capital account units placed In escrow |  | 708,035 |
Saul Holdings Limited Partnership |  |  |
Noncontrolling Interest [Line Items] |  |  |
Percentage of ownership interest of noncontrolling interest (as a percent) | 26.70% | 26.70% |
Saul Holdings Limited Partnership | Noncontrolling Interests |  |  |
Noncontrolling Interest [Line Items] |  |  |
Percentage of ownership interest of noncontrolling interest (as a percent) | 28.10% | 28.10% |
Limited partnership units, conversion ratio | 1 | 1 |
Third Party Investor |  |  |
Noncontrolling Interest [Line Items] |  |  |
Percentage of ownership interest of noncontrolling interest (as a percent) | 1.40% | 1.40% |

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