XML 66 R51.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Federal Income Tax Reporting - Tax Components of Distributions (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Tax components of the Company's common distributions paid per share |  |  |
Ordinary income (in dollars per share) |  | $ 0.28 | $ 0.25
Capital gain (in dollars per share) | $ 0.68 | 0.06 |
Return of capital (in dollars per share) |  | 0.02 | 0.11
Total (in dollars per share) | $ 0.68 | $ 0.36 | $ 0.36
Ordinary income (as a percent) |  | 77.51% | 69.96%
Capital gain (as a percent) | 100.00% | 16.72% |
Return of capital (as a percent) |  | 5.77% | 30.04%
Total (as a percent) | 100.00% | 100.00% | 100.00%
Common Stock Dividends Per Share Cash Paid Qualified Distribution |  | $ 0.009 |
Qualified distribution as a percentage of total distribution |  | 2.52% |

X
- Definition Represents the percentage of aggregate dividends paid during the period for each share of common stock outstanding. + References No definition available. + Details
Name: | fsp_CommonStockDividendsPerShareCashPaidAggregatePercentage
Namespace Prefix: | fsp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the aggregate dividends paid during the period for each share of common stock outstanding treated as long-term capital gain for federal tax. + References No definition available. + Details
Name: | fsp_CommonStockDividendsPerShareCashPaidLongTermCapitalGain
Namespace Prefix: | fsp_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of aggregate dividends paid during the period for each share of common stock outstanding treated as a long-term capital gain for federal tax purposes. + References No definition available. + Details
Name: | fsp_CommonStockDividendsPerShareCashPaidLongTermCapitalGainPercentage
Namespace Prefix: | fsp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the aggregate dividends paid during the period for each share of common stock outstanding treated as ordinary taxable distribution for federal tax purposes. + References No definition available. + Details
Name: | fsp_CommonStockDividendsPerShareCashPaidOrdinaryTaxableDistribution
Namespace Prefix: | fsp_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of aggregate dividends paid during the period for each share of common stock outstanding treated as ordinary taxable distribution for federal tax purposes. + References No definition available. + Details
Name: | fsp_CommonStockDividendsPerShareCashPaidOrdinaryTaxableDistributionPercentage
Namespace Prefix: | fsp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the aggregate dividends paid during the period for each share of common stock outstanding treated as qualified distribution for federal tax purposes. + References No definition available. + Details
Name: | fsp_CommonStockDividendsPerShareCashPaidQualifiedDistribution
Namespace Prefix: | fsp_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of aggregate dividends paid during the period for each share of common stock outstanding treated as qualified distribution for federal tax purposes. + References No definition available. + Details
Name: | fsp_CommonStockDividendsPerShareCashPaidQualifiedDistributionPercentage
Namespace Prefix: | fsp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the aggregate dividends paid during the period for each share of common stock outstanding treated as return of capital for federal tax purposes. + References No definition available. + Details
Name: | fsp_CommonStockDividendsPerShareCashPaidReturnOfCapital
Namespace Prefix: | fsp_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of aggregate dividends paid during the period for each share of common stock outstanding treated as return of capital for federal tax purposes. + References No definition available. + Details
Name: | fsp_CommonStockDividendsPerShareCashPaidReturnOfCapitalPercentage
Namespace Prefix: | fsp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | fsp_TaxComponentsOfCommonStockDividendsPerShareCashPaidAbstract
Namespace Prefix: | fsp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration