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Description of Business and Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands, ft² in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2022 USD ($) ft² $ / shares shares | Mar. 31, 2021 USD ($) | Jun. 30, 2020 USD ($)
Description of Business [Abstract] |  |  |
Rentable square feet of commercial real estate properties (in sq feet) | ft² | 28.0 |  |
Rentable square feet of commercial real estate office properties under development (in sq feet) | ft² | 0.6 |  |
Rentable square feet of potential office build (in sq feet) | ft² | 4.8 |  |
Net proceeds of Common Stock sold during the period | $ 4,173 | $ (1,198) |
Self insurance liability | $ 600 |  |
Highwoods Properties, Inc. [Member] |  |  |
Description of Business [Abstract] |  |  |
Common Units of partnership owned by the Company (in shares) | shares | 104,700,000 |  |
Percentage of ownership of Common Units (in hundredths) | 97.70% |  |
Highwoods Properties, Inc. [Member] | ATM Equity Offering |  |  |
Description of Business [Abstract] |  |  |
Net proceeds of Common Stock sold during the period | $ 6,000 |  |
Number of Common Stock sold during the period (in shares) | shares | 130,011 |  |
Average price of Common Stock sold during the period (in dollars per share) | $ / shares | $ 46.50 |  |
Highwoods Properties, Inc. [Member] | ATM Equity Offering | Maximum [Member] |  |  |
Description of Business [Abstract] |  |  |
Net proceeds of Common Stock sold during the period |  |  | $ 300,000
Highwoods Realty Limited Partnership [Member] |  |  |
Description of Business [Abstract] |  |  |
Common Units of partnership not owned by the Company (in shares) | shares | 2,500,000 |  |

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