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v2.4.1.9

Stock Based Compensation - Valuation Assumptions (Details) (Long-Term Incentive Program) | 12 Months Ended
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Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Expected dividend yield | 2.22%us-gaap_FairValueAssumptionsExpectedDividendRate
Expected volatility - weighted average | 30.61%us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate
Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Expected volatility - range used | 24.28%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_PlanNameAxis = fr_LongTermIncentiveProgramMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Risk-free interest rate | 0.03%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_PlanNameAxis = fr_LongTermIncentiveProgramMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Expected term | 1 year
Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Expected volatility - range used | 34.66%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_PlanNameAxis = fr_LongTermIncentiveProgramMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Risk-free interest rate | 0.71%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_PlanNameAxis = fr_LongTermIncentiveProgramMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Expected term | 2 years 6 months

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- Definition Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Risk-free interest rate assumption used in valuing an instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Weighted average expected volatility of stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Details
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