XML 30 R40.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Stockholders' Equity and Noncontrolling Interests (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 12, 2014 | Feb. 12, 2013 | Dec. 31, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Class of Stock [Line Items] |  |  |  |  |  |  |
Income attributable to noncontrolling interests |  |  |  | $ 2,617 | $ 2,374 | $ 7,628 | $ 9,231
6.875 Series C Cumulative Redeemable Preferred Stock |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Number of depositary shares sold |  | 5.6 |  |  |  |  |
Depository shares to cumulative redeemable preferred stock ratio |  | 1.00% |  |  |  |  |
Percentage of redeemable preferred stock |  | 6.875% |  |  |  |  |
Cash proceeds from sale depositary shares |  | $ 135,200 |  |  |  |  |
Dividend payment accrual date |  | Feb. 12, 2018 |  |  |  |  |
Cumulative redeemable preferred stock liquidation preference (in usd per share) |  | $ 25.00 |  |  |  |  |
Annual dividend on depositary shares (in usd per share) |  | $ 1.71875 |  |  |  |  |
Series C Cumulative Redeemable Preferred Stock |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Number of depositary shares sold | 1.6 |  |  |  |  |  |
Percentage of redeemable preferred stock |  | 6.875% |  |  |  |  |
Cash proceeds from sale depositary shares | $ 39,300 |  |  |  |  |  |
Series A Cumulative Redeemable Preferred Stock |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Dividend rate on preferred stock |  |  | 8.00% |  |  |  |

X
- Definition Depositary Shares Issued + References No definition available. + Details
Name: | bfs_DepositarySharesIssued
Namespace Prefix: | bfs_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Depository Shares Dividends per Share + References No definition available. + Details
Name: | bfs_DepositorySharesDividendsPerShare
Namespace Prefix: | bfs_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Depository Shares Redemption Date + References No definition available. + Details
Name: | bfs_DepositorySharesRedemptionDate
Namespace Prefix: | bfs_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Depository Shares to Redeemable Preferred Stock Ratio + References No definition available. + Details
Name: | bfs_DepositorySharesToRedeemablePreferredStockRatio
Namespace Prefix: | bfs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net Proceeds From Shares Sold + References No definition available. + Details
Name: | bfs_NetProceedsFromSharesSold
Namespace Prefix: | bfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Preferred Stock Redemption, Percentage of Originally Issued Shares + References No definition available. + Details
Name: | bfs_PreferredStockRedemptionPercentageOfOriginallyIssuedShares
Namespace Prefix: | bfs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ClassOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of Income (Loss) attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.19) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_IncomeLossAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage rate used to calculate dividend payments on preferred stock. + References No definition available. + Details
Name: | us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
Name: | us-gaap_PreferredStockLiquidationPreference
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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

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

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