XML 31 R71.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Income Taxes - Federal Income Tax Treatment of Share Distributions (Detail) (USD $) | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Jun. 30, 2013 | Dec. 31, 2012 | Dec. 31, 2012 | Sep. 30, 2013
Common Stock |  |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |  |
Ordinary Income | $ 0.4412 fr_OrdinaryIncomePerShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.3088 fr_OrdinaryIncomePerShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Long-term Capital Gains | $ 0.0000 fr_LongTermCapitalGainsPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.0000 fr_LongTermCapitalGainsPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Unrecaptured Section 1250 Gain | $ 0.0000 fr_UnrecapturedSectionGainPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.0000 fr_UnrecapturedSectionGainPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Return of Capital | $ 0.0000 fr_ReturnOfCapitalPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.0000 fr_ReturnOfCapitalPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Qualified Dividends | $ 0.0000 fr_QualifiedDividendsPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.0000 fr_QualifiedDividendsPerShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Distributions Per Common Share | $ 0.4412 us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.3088 us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Ordinary Income as a Percentage of Distribution | 100.00%fr_OrdinaryIncomeAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 100.00%fr_OrdinaryIncomeAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Long-term Capital Gains as a Percentage of Distribution | 0.00%fr_LongTermCapitalGainsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 0.00%fr_LongTermCapitalGainsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Unrecaptured Section 1250 Gain as a Percentage of Distribution | 0.00%fr_UnrecapturedSectionGainAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 0.00%fr_UnrecapturedSectionGainAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Return of Capital as a Percentage of Distribution | 0.00%fr_ReturnOfCapitalAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 0.00%fr_ReturnOfCapitalAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Qualified Dividends as a Percentage of Distribution | 0.00%fr_QualifiedDividendsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 0.00%fr_QualifiedDividendsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Common Distributions Percentage | 100.00%fr_CommonDistributionsPercentage / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 100.00%fr_CommonDistributionsPercentage / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |  |  |
Series J Preferred Stock |  |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |  |
Ordinary Income |  | $ 0.5085 fr_OrdinaryIncomePerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | $ 0.0000 fr_OrdinaryIncomePerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Long-term Capital Gains |  | $ 0.0000 fr_LongTermCapitalGainsPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | $ 0.8025 fr_LongTermCapitalGainsPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Unrecaptured Section 1250 Gain |  | $ 0.0000 fr_UnrecapturedSectionGainPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | $ 0.0000 fr_UnrecapturedSectionGainPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Return of Capital |  | $ 0.0000 fr_ReturnOfCapitalPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | $ 1.4632 fr_ReturnOfCapitalPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Qualified Dividends |  | $ 0.0000 fr_QualifiedDividendsPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | $ 0.0000 fr_QualifiedDividendsPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Distributions Per Preferred Share |  | $ 0.5085 us-gaap_PreferredStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] | $ 0.055382 us-gaap_PreferredStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | $ 0.407812 us-gaap_PreferredStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | $ 2.2657 us-gaap_PreferredStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Ordinary Income as a Percentage of Distribution |  | 100.00%fr_OrdinaryIncomeAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | 0.00%fr_OrdinaryIncomeAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Long-term Capital Gains as a Percentage of Distribution |  | 0.00%fr_LongTermCapitalGainsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | 35.42%fr_LongTermCapitalGainsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Unrecaptured Section 1250 Gain as a Percentage of Distribution |  | 0.00%fr_UnrecapturedSectionGainAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | 0.00%fr_UnrecapturedSectionGainAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Return of Capital as a Percentage of Distribution |  | 0.00%fr_ReturnOfCapitalAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | 64.58%fr_ReturnOfCapitalAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Qualified Dividends as a Percentage of Distribution |  | 0.00%fr_QualifiedDividendsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | 0.00%fr_QualifiedDividendsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Preferred Distributions Percentage |  | 100.00%fr_PreferredDistributionsPercentage / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember | [1] |  |  | 100.00%fr_PreferredDistributionsPercentage / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember |  |
Series K Preferred Stock |  |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |  |
Ordinary Income |  | $ 0.9969 fr_OrdinaryIncomePerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | $ 0.0000 fr_OrdinaryIncomePerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Long-term Capital Gains |  | $ 0.0000 fr_LongTermCapitalGainsPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | $ 0.8025 fr_LongTermCapitalGainsPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Unrecaptured Section 1250 Gain |  | $ 0.0000 fr_UnrecapturedSectionGainPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | $ 0.0000 fr_UnrecapturedSectionGainPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Return of Capital |  | $ 0.0000 fr_ReturnOfCapitalPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | $ 1.4632 fr_ReturnOfCapitalPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Qualified Dividends |  | $ 0.0000 fr_QualifiedDividendsPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | $ 0.0000 fr_QualifiedDividendsPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Distributions Per Preferred Share |  | $ 0.9969 us-gaap_PreferredStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | $ 2.2657 us-gaap_PreferredStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  | $ 0.090625 us-gaap_PreferredStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember
Ordinary Income as a Percentage of Distribution |  | 100.00%fr_OrdinaryIncomeAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | 0.00%fr_OrdinaryIncomeAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Long-term Capital Gains as a Percentage of Distribution |  | 0.00%fr_LongTermCapitalGainsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | 35.42%fr_LongTermCapitalGainsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Unrecaptured Section 1250 Gain as a Percentage of Distribution |  | 0.00%fr_UnrecapturedSectionGainAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | 0.00%fr_UnrecapturedSectionGainAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Return of Capital as a Percentage of Distribution |  | 0.00%fr_ReturnOfCapitalAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | 64.58%fr_ReturnOfCapitalAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Qualified Dividends as a Percentage of Distribution |  | 0.00%fr_QualifiedDividendsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | 0.00%fr_QualifiedDividendsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Preferred Distributions Percentage |  | 100.00%fr_PreferredDistributionsPercentage / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember | [2] |  |  | 100.00%fr_PreferredDistributionsPercentage / us-gaap_StatementClassOfStockAxis = fr_SeriesKPreferredStockMember |  |
Depositary Shares | Series J Preferred Stock |  |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |  |
Ordinary Income |  |  |  |  |  | $ 0.0000 fr_OrdinaryIncomePerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Long-term Capital Gains |  |  |  |  |  | $ 0.7864 fr_LongTermCapitalGainsPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Unrecaptured Section 1250 Gain |  |  |  |  |  | $ 0.0000 fr_UnrecapturedSectionGainPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Return of Capital |  |  |  |  |  | $ 1.4339 fr_ReturnOfCapitalPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Qualified Dividends |  |  |  |  |  | $ 0.0000 fr_QualifiedDividendsPerShare / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Distributions Per Preferred Share |  |  |  |  |  | $ 2.2203 us-gaap_PreferredStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Ordinary Income as a Percentage of Distribution |  |  |  |  |  | 0.00%fr_OrdinaryIncomeAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Long-term Capital Gains as a Percentage of Distribution |  |  |  |  |  | 35.42%fr_LongTermCapitalGainsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Unrecaptured Section 1250 Gain as a Percentage of Distribution |  |  |  |  |  | 0.00%fr_UnrecapturedSectionGainAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Return of Capital as a Percentage of Distribution |  |  |  |  |  | 64.58%fr_ReturnOfCapitalAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Qualified Dividends as a Percentage of Distribution |  |  |  |  |  | 0.00%fr_QualifiedDividendsAsPercentageOfDistributions / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
Preferred Distributions Percentage |  |  |  |  |  | 100.00%fr_PreferredDistributionsPercentage / us-gaap_StatementClassOfStockAxis = fr_SeriesJPreferredStockMember / us-gaap_StatementEquityComponentsAxis = fr_DepositarySharesMember | [3] |
[1] | The remaining 4,000,000 Depositary Shares of the Series J Preferred Stock were redeemed on April 11, 2013. The 2013 redemption had no impact on the 2012 allocation included in the table above.
[2] | Schedule relates to the 2,000,000 Depositary Shares of the Series K Preferred Stock that were redeemed on July 18, 2013. The 2013 redemption had no impact on the 2012 allocation included in the table above.
[3] | Schedule relates to the 2,000,000 Depositary Shares of the Series J Preferred Stock that were redeemed on December 21, 2012.

X
- Definition Common Distributions Percentage + References No definition available. + Details
Name: | fr_CommonDistributionsPercentage
Namespace Prefix: | fr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | fr_IncomeTaxLineItems
Namespace Prefix: | fr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Long term capital gains as percentage of distributions. + References No definition available. + Details
Name: | fr_LongTermCapitalGainsAsPercentageOfDistributions
Namespace Prefix: | fr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Long term capital gains per share. + References No definition available. + Details
Name: | fr_LongTermCapitalGainsPerShare
Namespace Prefix: | fr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ordinary Income as percentage of distributions. + References No definition available. + Details
Name: | fr_OrdinaryIncomeAsPercentageOfDistributions
Namespace Prefix: | fr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ordinary income per share. + References No definition available. + Details
Name: | fr_OrdinaryIncomePerShare
Namespace Prefix: | fr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Preferred distributions percentage. + References No definition available. + Details
Name: | fr_PreferredDistributionsPercentage
Namespace Prefix: | fr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Qualified dividends as percentage of distributions. + References No definition available. + Details
Name: | fr_QualifiedDividendsAsPercentageOfDistributions
Namespace Prefix: | fr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Qualified dividends per share. + References No definition available. + Details
Name: | fr_QualifiedDividendsPerShare
Namespace Prefix: | fr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Return of capital as percentage of distributions. + References No definition available. + Details
Name: | fr_ReturnOfCapitalAsPercentageOfDistributions
Namespace Prefix: | fr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Return of capital per share. + References No definition available. + Details
Name: | fr_ReturnOfCapitalPerShare
Namespace Prefix: | fr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unrecaptured section gain as percentage of distributions. + References No definition available. + Details
Name: | fr_UnrecapturedSectionGainAsPercentageOfDistributions
Namespace Prefix: | fr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unrecaptured section gain per share. + References No definition available. + Details
Name: | fr_UnrecapturedSectionGainPerShare
Namespace Prefix: | fr_
Data Type: | num:perShareItemType
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://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=fr_DepositarySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |