Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Share-Based Payments (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 1,900	$ 1,200	$ 6,751	$ 4,980
Total unrecognized share-based compensation costs	$ 5,300		$ 5,300
Weighted average remaining contractual term for recognition of unrecognized share-based compensation costs (in years)			1 year 10 months 24 days
Highwoods Properties, Inc. [Member] \| Time-Based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock shares granted (in shares)			103,120
Weighted average grant date fair value of each restricted stock share granted (in dollars per share)			$ 39.99
Highwoods Properties, Inc. [Member] \| Total Return-Based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock shares granted (in shares)			81,464
Weighted average grant date fair value of each restricted stock share granted (in dollars per share)			$ 36.41