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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 | Sep. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Assets: |  |  |
Mortgages and notes receivable, at fair value | $ 1,542 |  | $ 5,599
Interest rate swaps (in prepaid expenses and other assets) |  |  | 1,146
Marketable securities of non-qualified deferred compensation plan (in prepaid expenses and other assets) | 2,170 |  | 1,849
Impaired real estate assets | 7,580 |  | 10,252
Total Assets | 11,292 |  | 18,846
Liabilities: |  |  |
Mortgages and notes payable, net, at fair value | 2,391,434 |  | 2,056,248
Interest rate swaps (in accounts payable, accrued expenses and other liabilities) | 284 |  | 3,581
Non-qualified deferred compensation obligation (in accounts payable, accrued expenses and other liabilities) | 2,170 |  | 1,849
Total Liabilities | 2,393,888 |  | 2,061,678
Level 1 [Member] |  |  |
Assets: |  |  |
Mortgages and notes receivable, at fair value | 0 |  | 0
Interest rate swaps (in prepaid expenses and other assets) |  |  | 0
Marketable securities of non-qualified deferred compensation plan (in prepaid expenses and other assets) | 2,170 |  | 1,849
Impaired real estate assets | 0 |  | 0
Total Assets | 2,170 |  | 1,849
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) | 2,170 |  | 1,849
Total Liabilities | 2,170 |  | 1,849
Level 2 [Member] |  |  |
Assets: |  |  |
Mortgages and notes receivable, at fair value | 1,542 |  | 5,599
Interest rate swaps (in prepaid expenses and other assets) |  |  | 1,146
Marketable securities of non-qualified deferred compensation plan (in prepaid expenses and other assets) | 0 |  | 0
Impaired real estate assets | 0 |  | 0
Total Assets | 1,542 |  | 6,745
Liabilities: |  |  |
Mortgages and notes payable, net, at fair value | 2,391,434 |  | 2,056,248
Interest rate swaps (in accounts payable, accrued expenses and other liabilities) | 284 |  | 3,581
Non-qualified deferred compensation obligation (in accounts payable, accrued expenses and other liabilities) | 0 |  | 0
Total Liabilities | 2,391,718 |  | 2,059,829
Level 3 [Member] |  |  |
Assets: |  |  |
Mortgages and notes receivable, at fair value | 0 |  | 0
Interest rate swaps (in prepaid expenses and other assets) |  |  | 0
Marketable securities of non-qualified deferred compensation plan (in prepaid expenses and other assets) | 0 |  | 0
Impaired real estate assets | 7,580 | $ 700 | 10,252
Total Assets | 7,580 |  | 10,252
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) | 0 |  | 0
Total Liabilities | 0 |  | 0
Highwoods Properties, Inc. [Member] |  |  |
Assets: |  |  |
Noncontrolling Interests in the Operating Partnership | 122,493 |  | 105,960
Highwoods Properties, Inc. [Member] | Level 1 [Member] |  |  |
Assets: |  |  |
Noncontrolling Interests in the Operating Partnership | 122,493 |  | 105,960
Highwoods Properties, Inc. [Member] | Level 2 [Member] |  |  |
Assets: |  |  |
Noncontrolling Interests in the Operating Partnership | 0 |  | 0
Highwoods Properties, Inc. [Member] | Level 3 [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 impaired real estate assets recorded at fair value on a non-recurring basis as a result of quarterly impairment analysis. + 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 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, 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://fasb.org/us-gaap/role/ref/legacyRef -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 2: 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=118260190&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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