Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Real estate assets, at cost:
Land	$ 495,753	$ 491,441
Buildings and tenant improvements	4,835,323	4,676,862
Development in-process	63,118	165,537
Land held for development	137,340	128,248
Total real estate assets	5,531,534	5,462,088
Less-accumulated depreciation	(1,360,108)	(1,296,562)
Net real estate assets	4,171,426	4,165,526
Real estate and other assets, net, held for sale	8,839	0
Cash and cash equivalents	4,530	3,769
Restricted cash	8,977	6,374
Accounts receivable	37,703	25,952
Mortgages and notes receivable, net of allowance of $28 and $44, respectively	1,583	5,599
Accrued straight-line rents receivable	226,614	220,088
Investments in and advances to unconsolidated affiliates	23,584	23,585
Deferred leasing costs, net of accumulated amortization of $152,334 and $149,275, respectively	195,863	195,273
Prepaid expenses and other assets, net of accumulated depreciation of $19,418 and $18,074, respectively	63,494	28,843
Total Assets	4,742,613	4,675,009
Liabilities, Noncontrolling Interests in the Operating Partnership and Equity/Liabilities, Redeemable Operating Partnership Units and Capital:
Mortgages and notes payable, net	2,161,965	2,085,831
Accounts payable, accrued expenses and other liabilities	257,338	218,922
Total Liabilities	2,419,303	2,304,753
Commitments and contingencies
Noncontrolling interests in the Operating Partnership	112,778	105,960
Equity/Capital:
Preferred Stock, $.01 par value, 50,000,000 authorized shares; 8.625% Series A Cumulative Redeemable Preferred Shares (liquidation preference $1,000 per share), 28,859 and 28,877 shares issued and outstanding, respectively	28,859	28,877
Common Stock, $.01 par value, 200,000,000 authorized shares; 103,704,603 and 103,557,065 shares issued and outstanding, respectively	1,037	1,036
Additional paid-in capital	2,972,798	2,976,197
Distributions in excess of net income available for common stockholders	(821,051)	(769,303)
Accumulated other comprehensive income	6,488	9,913
Total Stockholders’ Equity	2,188,131	2,246,720
Noncontrolling interests in consolidated affiliates	22,401	17,576
Total Equity/Capital	2,210,532	2,264,296
Total Liabilities, Noncontrolling Interests in the Operating Partnership and Equity/Total Liabilities, Redeemable Operating Partnership Units and Capital	4,742,613	4,675,009
Highwoods Realty Limited Partnership [Member]
Real estate assets, at cost:
Land	495,753	491,441
Buildings and tenant improvements	4,835,323	4,676,862
Development in-process	63,118	165,537
Land held for development	137,340	128,248
Total real estate assets	5,531,534	5,462,088
Less-accumulated depreciation	(1,360,108)	(1,296,562)
Net real estate assets	4,171,426	4,165,526
Real estate and other assets, net, held for sale	8,839	0
Cash and cash equivalents	4,530	3,769
Restricted cash	8,977	6,374
Accounts receivable	37,703	25,952
Mortgages and notes receivable, net of allowance of $28 and $44, respectively	1,583	5,599
Accrued straight-line rents receivable	226,614	220,088
Investments in and advances to unconsolidated affiliates	23,584	23,585
Deferred leasing costs, net of accumulated amortization of $152,334 and $149,275, respectively	195,863	195,273
Prepaid expenses and other assets, net of accumulated depreciation of $19,418 and $18,074, respectively	63,494	28,843
Total Assets	4,742,613	4,675,009
Liabilities, Noncontrolling Interests in the Operating Partnership and Equity/Liabilities, Redeemable Operating Partnership Units and Capital:
Mortgages and notes payable, net	2,161,965	2,085,831
Accounts payable, accrued expenses and other liabilities	257,338	218,922
Total Liabilities	2,419,303	2,304,753
Commitments and contingencies
Redeemable Operating Partnership Units:
Common Units, 2,730,703 and 2,738,703 outstanding, respectively	112,778	105,960
Series A Preferred Units (liquidation preference $1,000 per unit), 28,859 and 28,877 units issued and outstanding, respectively	28,859	28,877
Total Redeemable Operating Partnership Units	141,637	134,837
Equity/Capital:
General partner Common Units, 1,060,265 and 1,058,870 outstanding, respectively	21,528	22,078
Limited partner Common Units, 102,235,529 and 102,089,386 outstanding, respectively	2,131,256	2,185,852
Accumulated other comprehensive income	6,488	9,913
Noncontrolling interests in consolidated affiliates	22,401	17,576
Total Equity/Capital	2,181,673	2,235,419
Total Liabilities, Noncontrolling Interests in the Operating Partnership and Equity/Total Liabilities, Redeemable Operating Partnership Units and Capital	$ 4,742,613	$ 4,675,009