XML 17 R7.htm IDEA: XBRL DOCUMENT
v3.25.2

Consolidated Statement of Equity (Unaudited) (Parenthetical) - $ / shares | 3 Months Ended
--- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Mar. 31, 2024
Distributions payable common stock, per share (in usd per share) | $ 0.59 | $ 0.59 | $ 0.59 | $ 0.59
Distributions partnership units, per unit (in usd per share) | $ 0.59 | $ 0.59 | $ 0.59 | $ 0.59
Limited Partner |  |  |  |
Issuance of partnership units pursuant to dividend reinvestment plan (in shares) | 179,700 | 45,326 | 43,696 | 306,512
Series D Cumulative Redeemable, 30,000 shares issued and outstanding | O 2025 Q1 Dividends |  |  |  |
Distributions payable on preferred stock, per share (in usd per share) |  | $ 38.28 |  |
Series D Cumulative Redeemable, 30,000 shares issued and outstanding | O 2025 Q2 Dividends |  |  |  |
Distributions payable on preferred stock, per share (in usd per share) | $ 38.28 |  |  |
Series D Cumulative Redeemable, 30,000 shares issued and outstanding | O 2024 Q1 Dividends |  |  |  |
Distributions payable on preferred stock, per share (in usd per share) |  |  |  | $ 38.28
Series D Cumulative Redeemable, 30,000 shares issued and outstanding | O 2024 Q2 Dividends |  |  |  |
Distributions payable on preferred stock, per share (in usd per share) |  |  | $ 38.28 |
Series E Cumulative Redeemable, 44,000 shares issued and outstanding | O 2025 Q1 Dividends |  |  |  |
Distributions payable on preferred stock, per share (in usd per share) |  | $ 37.50 |  |
Series E Cumulative Redeemable, 44,000 shares issued and outstanding | O 2025 Q2 Dividends |  |  |  |
Distributions payable on preferred stock, per share (in usd per share) | $ 37.50 |  |  |
Series E Cumulative Redeemable, 44,000 shares issued and outstanding | O 2024 Q1 Dividends |  |  |  |
Distributions payable on preferred stock, per share (in usd per share) |  |  |  | $ 37.50
Series E Cumulative Redeemable, 44,000 shares issued and outstanding | O 2024 Q2 Dividends |  |  |  |
Distributions payable on preferred stock, per share (in usd per share) |  |  | $ 37.50 |

X
- Definition Partnership Units Issued During Period + References No definition available. + Details
Name: | bfs_PartnershipUnitsIssuedDuringPeriod
Namespace Prefix: | bfs_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash dividends declared or paid to each outstanding limited partnership unit during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 + Details
Name: | us-gaap_DistributionsPerLimitedPartnershipUnitOutstanding
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of preferred stock outstanding. + References No definition available. + Details
Name: | us-gaap_PreferredStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=us-gaap_LimitedPartnerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=bfs_SeriesDCumulativeRedeemablePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=bfs_O2025Q1DividendsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=bfs_O2025Q2DividendsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=bfs_O2024Q1DividendsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=bfs_O2024Q2DividendsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=bfs_SeriesECumulativeRedeemablePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |