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Fair Value of Derivatives and Financial Instruments (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Notes receivable, net | $ 15,494 | $ 14,369
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net | 0 |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivative Asset | 12 | 88
Derivative Liability | 9,109 | 10,368
Secured debt instruments - variable rate |  |
Borrowings outstanding | 2,300 | 1,900
Unsecured debt instruments |  |
Redeemable Noncontrolling Interest, Equity, Carrying Amount | 290,278 |
Redeemable noncontrolling interests in the Operating Partnership (d) | 290,278 | 282,480
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Notes receivable, net | 15,494 | 14,369
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Total assets | 15,506 | 14,457
Unsecured debt instruments |  |
Total liabilities | 3,573,512 | 3,593,473
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Senior Unsecured Notes [Member] | Fair Value, Measurements, Recurring [Member] |  |
Unsecured debt instruments |  |
Unsecured debt instruments (c) | 1,756,964 | 2,069,076
Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Notes receivable (a) | 15,863 | 14,808
Total assets | 15,875 | 14,896
Unsecured debt instruments |  |
Total liabilities | 3,671,647 | 3,721,512
Redeemable noncontrolling interests in the Operating Partnership (d) | 290,278 | 282,480
Estimate of Fair Value, Fair Value Disclosure [Member] | Interest Rate Contracts [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivatives - Interest rate contracts | 12 | 88
Derivatives - Interest rate contracts (b) | 9,109 | 10,368
Estimate of Fair Value, Fair Value Disclosure [Member] | Mortgages Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - fixed rate |  |
Secured debt instruments - fixed rate | 420,571 | 415,663
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 31,337 | 31,337
Estimate of Fair Value, Fair Value Disclosure [Member] | Tax Exempt Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 94,700 | 94,700
Estimate of Fair Value, Fair Value Disclosure [Member] | Line of Credit [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - fixed rate |  |
Secured debt instruments - fixed rate | 592,916 | 606,623
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 249,378 | 266,196
Unsecured debt instruments |  |
Unsecured debt instruments (c) |  | 152,500
Estimate of Fair Value, Fair Value Disclosure [Member] | Senior Unsecured Notes [Member] | Fair Value, Measurements, Recurring [Member] |  |
Unsecured debt instruments |  |
Unsecured debt instruments (c) | 1,816,636 | 2,144,125
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Notes receivable (a) | 0 | 0
Total assets | 0 | 0
Unsecured debt instruments |  |
Total liabilities | 0 | 0
Redeemable noncontrolling interests in the Operating Partnership (d) | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Interest Rate Contracts [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivatives - Interest rate contracts | 0 | 0
Derivatives - Interest rate contracts (b) | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Mortgages Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - fixed rate |  |
Secured debt instruments - fixed rate | 0 | 0
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Tax Exempt Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Line of Credit [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - fixed rate |  |
Secured debt instruments - fixed rate | 0 | 0
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Commercial bank [Member] | Fair Value, Measurements, Recurring [Member] |  |
Unsecured debt instruments |  |
Unsecured debt instruments (c) | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Senior Unsecured Notes [Member] | Fair Value, Measurements, Recurring [Member] |  |
Unsecured debt instruments |  |
Unsecured debt instruments (c) | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Notes receivable (a) | 0 | 0
Total assets | 12 | 88
Unsecured debt instruments |  |
Total liabilities | 9,109 | 10,368
Redeemable noncontrolling interests in the Operating Partnership (d) | 290,278 | 282,480
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Interest Rate Contracts [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivatives - Interest rate contracts | 12 | 88
Derivatives - Interest rate contracts (b) | 9,109 | 10,368
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Mortgages Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - fixed rate |  |
Secured debt instruments - fixed rate | 0 | 0
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Tax Exempt Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Line of Credit [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - fixed rate |  |
Secured debt instruments - fixed rate | 0 | 0
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Commercial bank [Member] | Fair Value, Measurements, Recurring [Member] |  |
Unsecured debt instruments |  |
Unsecured debt instruments (c) | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Senior Unsecured Notes [Member] | Fair Value, Measurements, Recurring [Member] |  |
Unsecured debt instruments |  |
Unsecured debt instruments (c) | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Notes receivable (a) | 15,863 | 14,808
Total assets | 15,863 | 14,808
Unsecured debt instruments |  |
Total liabilities | 3,662,538 | 3,711,144
Redeemable noncontrolling interests in the Operating Partnership (d) | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 3 [Member] | Interest Rate Contracts [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Derivatives - Interest rate contracts | 0 | 0
Derivatives - Interest rate contracts (b) | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 3 [Member] | Mortgages Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - fixed rate |  |
Secured debt instruments - fixed rate | 420,571 | 415,663
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 31,337 | 31,337
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 3 [Member] | Tax Exempt Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 94,700 | 94,700
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 3 [Member] | Line of Credit [Member] | Fair Value, Measurements, Recurring [Member] |  |
Secured debt instruments - fixed rate |  |
Secured debt instruments - fixed rate | 592,916 | 606,623
Secured debt instruments - variable rate |  |
Secured debt instruments - variable rate | 249,378 | 266,196
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 3 [Member] | Commercial bank [Member] | Fair Value, Measurements, Recurring [Member] |  |
Unsecured debt instruments |  |
Unsecured debt instruments (c) | 457,000 | 152,500
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 3 [Member] | Senior Unsecured Notes [Member] | Fair Value, Measurements, Recurring [Member] |  |
Unsecured debt instruments |  |
Unsecured debt instruments (c) | 1,816,636 | 2,144,125
Unsecured Revolving Credit Facility due October 2015 [Member] |  |
Secured debt instruments - variable rate |  |
Borrowings outstanding | 457,000 | 152,500
Variable Rate Debt [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Secured debt including debt on real estate held for sale | 375,415 | 392,233
Variable Rate Debt [Member] | Tax Exempt Notes Payable [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Tax Exempt Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Secured debt including debt on real estate held for sale | 94,700 | 94,700
Variable Rate Debt [Member] | Line of Credit [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Line of Credit [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Secured debt including debt on real estate held for sale | 249,378 | 266,196
Variable Rate Debt [Member] | Mortgages Notes Payable [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Mortgages Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Secured debt including debt on real estate held for sale | 31,337 | 31,337
Fixed Rate Debt [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Secured debt including debt on real estate held for sale | 975,024 | 969,296
Fixed Rate Debt [Member] | Line of Credit [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Line of Credit [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Secured debt including debt on real estate held for sale | 566,288 | 568,086
Fixed Rate Debt [Member] | Mortgages Notes Payable [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Mortgages Notes Payable [Member] | Fair Value, Measurements, Recurring [Member] |  |
Estimated fair values of the financial instruments either recorded or disclosed on a recurring basis |  |
Secured debt including debt on real estate held for sale | $ 408,736 | $ 401,210

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13495-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226008-175313 + Details
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- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Article 5 + Details
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