XML 91 R51.htm IDEA: XBRL DOCUMENT v2.4.1.9
Indebtedness - Information Regarding Indebtedness (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Mortgage Loans Payable, Net $ 599,985us-gaap_SecuredDebt $ 677,890us-gaap_SecuredDebt
Senior Unsecured Notes, Net 364,861us-gaap_UnsecuredDebt 445,916us-gaap_UnsecuredDebt
Unsecured Term Loan 200,000us-gaap_OtherLongTermDebt 0us-gaap_OtherLongTermDebt
Unsecured Credit Facility 185,000us-gaap_LineOfCredit 173,000us-gaap_LineOfCredit
2016 Notes    
Debt Instrument [Line Items]    
Senior Unsecured Notes, Net 159,621us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSixteenNotesMember		 159,566us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSixteenNotesMember
Term Loan Interest Rate 5.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSixteenNotesMember		  
Effective Interest Rate 5.91%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSixteenNotesMember		  
Maturity Date Jan. 15, 2016  
2017 Notes    
Debt Instrument [Line Items]    
Senior Unsecured Notes, Net 54,966us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSeventeenNotesMember		 54,960us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSeventeenNotesMember
Term Loan Interest Rate 7.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSeventeenNotesMember		  
Effective Interest Rate 7.52%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSeventeenNotesMember		  
Maturity Date Dec. 01, 2017  
2027 Notes    
Debt Instrument [Line Items]    
Senior Unsecured Notes, Net 6,066us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandTwentySevenNotesMember		 6,066us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandTwentySevenNotesMember
Term Loan Interest Rate 7.15%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandTwentySevenNotesMember		  
Effective Interest Rate 7.11%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandTwentySevenNotesMember		  
Maturity Date May 15, 2027  
2028 Notes    
Debt Instrument [Line Items]    
Senior Unsecured Notes, Net 31,884us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandTwentyEightNotesMember		 31,883us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandTwentyEightNotesMember
Term Loan Interest Rate 7.60%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandTwentyEightNotesMember		  
Effective Interest Rate 8.13%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandTwentyEightNotesMember		  
Maturity Date Jul. 15, 2028  
2032 Notes    
Debt Instrument [Line Items]    
Senior Unsecured Notes, Net 10,518us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandThirtyTwoNotesMember		 10,514us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandThirtyTwoNotesMember
Term Loan Interest Rate 7.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandThirtyTwoNotesMember		  
Effective Interest Rate 7.87%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandThirtyTwoNotesMember		  
Maturity Date Apr. 15, 2032  
2014 Notes    
Debt Instrument [Line Items]    
Senior Unsecured Notes, Net 0us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandFourteenNotesMember		 81,149us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandFourteenNotesMember
Maturity Date Jun. 01, 2014  
2017 II Notes    
Debt Instrument [Line Items]    
Senior Unsecured Notes, Net 101,806us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSeventeenTwoNotesMember		 101,778us-gaap_UnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSeventeenTwoNotesMember
Term Loan Interest Rate 5.95%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSeventeenTwoNotesMember		  
Effective Interest Rate 6.37%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= fr_SeniorNotesDueTwoThousandSeventeenTwoNotesMember		  
Maturity Date May 15, 2017  
Mortgages    
Debt Instrument [Line Items]    
Mortgage Loans Payable, Net 599,985us-gaap_SecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember		 677,890us-gaap_SecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
Unamortized Premiums (90)us-gaap_DebtInstrumentUnamortizedPremium
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember		 (115)us-gaap_DebtInstrumentUnamortizedPremium
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
Mortgage Loans Payable, Gross 599,895fr_SecuredDebtGross
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember		 677,775fr_SecuredDebtGross
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
Interest Rate, Minimum 4.03%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember		  
Interest Rate, Maximum 8.26%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember		  
Effective Interest Rate, Minimum 4.03%us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember		  
Effective Interest Rate, Maximum 8.26%us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember		  
Maturity Date Range, Start Feb. 01, 2016  
Maturity Date Range, End Sep. 01, 2022  
Senior Unsecured Notes    
Debt Instrument [Line Items]    
Senior Unsecured Notes, Net 364,861us-gaap_UnsecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember		 445,916us-gaap_UnsecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
Unamortized Discounts 241us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember		 980us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
Senior Unsecured Notes, Gross 365,102fr_UnsecuredDebtGross
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember		 446,896fr_UnsecuredDebtGross
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember
Unsecured Term Loan    
Debt Instrument [Line Items]    
Unsecured Term Loan 200,000us-gaap_OtherLongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember		 [1]  
Term Loan Interest Rate 1.906%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember		 [1]  
Effective Interest Rate 1.906%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember		 [1]  
Maturity Date Jan. 29, 2021 [1]  
Unsecured Credit Facility    
Debt Instrument [Line Items]    
Unsecured Credit Facility $ 185,000us-gaap_LineOfCredit
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember		 [2] $ 173,000us-gaap_LineOfCredit
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember		 [2]
Line of Credit Facility Interest Rate 1.662%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember		 [2]  
Effective Interest Rate 1.662%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember		 [2]  
Maturity Date Sep. 29, 2017 [2]  
[1] We entered into interest rate protection agreements, with an aggregate notional value of $200,000, to effectively convert the variable rate to a fixed rate. See Note 13.
[2] The maturity date may be extended an additional year at our election, subject to certain restrictions.