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Disclosure About Fair Value of Financial Instruments - Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Assets: |  |
Mortgages and notes receivable, at fair value | $ 1,264 | $ 1,341
Marketable securities of non-qualified deferred compensation plan (in prepaid expenses and other assets) | 2,829 | 2,573
Total Assets | 4,093 | 3,914
Liabilities: |  |
Mortgages and notes payable, net, at fair value | 2,619,464 | 2,639,163
Interest rate swaps (in accounts payable, accrued expenses and other liabilities) | 461 | 846
Non-qualified deferred compensation obligation (in accounts payable, accrued expenses and other liabilities) | 2,829 | 2,573
Total Liabilities | 2,622,754 | 2,642,582
Level 1 [Member] |  |
Assets: |  |
Mortgages and notes receivable, at fair value | 0 | 0
Marketable securities of non-qualified deferred compensation plan (in prepaid expenses and other assets) | 2,829 | 2,573
Total Assets | 2,829 | 2,573
Liabilities: |  |
Mortgages and notes payable, net, at fair value | 0 | 0
Interest rate swaps (in accounts payable, accrued expenses and other liabilities) | 0 | 0
Non-qualified deferred compensation obligation (in accounts payable, accrued expenses and other liabilities) | 2,829 | 2,573
Total Liabilities | 2,829 | 2,573
Level 2 [Member] |  |
Assets: |  |
Mortgages and notes receivable, at fair value | 1,264 | 1,341
Marketable securities of non-qualified deferred compensation plan (in prepaid expenses and other assets) | 0 | 0
Total Assets | 1,264 | 1,341
Liabilities: |  |
Mortgages and notes payable, net, at fair value | 2,619,464 | 2,639,163
Interest rate swaps (in accounts payable, accrued expenses and other liabilities) | 461 | 846
Non-qualified deferred compensation obligation (in accounts payable, accrued expenses and other liabilities) | 0 | 0
Total Liabilities | 2,619,925 | 2,640,009
Highwoods Properties, Inc. [Member] |  |
Assets: |  |
Noncontrolling Interests in the Operating Partnership | 128,180 | 112,499
Highwoods Properties, Inc. [Member] | Level 1 [Member] |  |
Assets: |  |
Noncontrolling Interests in the Operating Partnership | 128,180 | 112,499
Highwoods Properties, Inc. [Member] | Level 2 [Member] |  |
Assets: |  |
Noncontrolling Interests in the Operating Partnership | $ 0 | $ 0

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- Definition Represents the portion of the balance sheet assertion valued at fair value by the entity in connection with the fair value disclosures required in the footnotes to the financial statements. This item represents assets held under deferred compensation agreements. + References No definition available. + Details
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- Definition Represents the portion of the balance sheet assertion valued at fair value by the entity in connection with the fair value disclosures required in the footnotes to the financial statements. This item represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References No definition available. + Details
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or 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 liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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