Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Net real estate investments:
Real estate assets, at cost	$ 11,886,697	$ 11,858,064
Less: accumulated depreciation	2,484,960	2,415,860
Real estate assets, net	9,401,737	9,442,204
Investments in real estate partnerships	346,390	350,377
Net real estate investments	9,748,127	9,792,581
Cash, cash equivalents, and restricted cash, including $2,955 and $2,310 of restricted cash at March 31, 2023 and December 31, 2022, respectively	68,143	68,776
Tenant and other receivables	181,579	188,863
Deferred leasing costs, less accumulated amortization of $118,766 and $117,137 at March 31, 2023 and December 31,2022, respectively	68,567	68,945
Acquired lease intangible assets, less accumulated amortization of $344,460 and $338,053 at March 31, 2023 and December 31, 2022 respectively	188,636	197,745
Right of use assets, net	273,702	275,513
Other assets	276,926	267,797
Total assets	10,805,680	10,860,220
Liabilities:
Notes payable	3,711,784	3,726,754
Unsecured credit facility	30,000
Accounts payable and other liabilities	289,297	317,259
Acquired lease intangible liabilities, less accumulated amortization of $199,840 and $193,315 at March 31, 2023 and December 31, 2022, respectively	346,939	354,204
Lease liabilities	212,582	213,722
Tenants' security, escrow deposits and prepaid rent	75,643	70,242
Total liabilities	4,666,245	4,682,181
Commitments and contingencies
Shareholders' equity/Partners' capital:
Common stock, $0.01 par value per share, 220,000,000 shares authorized; 170,958,422 and 171,124,593 shares issued at March 31, 2023 and December 31, 2022, respectively	1,710	1,711
Treasury stock at cost, 483,782 and 465,415 shares held at March 31, 2023 and December 31, 2022, respectively	(25,699)	(24,461)
Additional paid-in-capital	7,856,426	7,877,152
Accumulated other comprehensive income	3,927	7,560
Distributions in excess of net income	(1,779,043)	(1,764,977)
Total shareholders' equity	6,057,321	6,096,985
Noncontrolling interests:
Exchangeable operating partnership units, aggregate redemption value of $45,361 and $46,340 at March 31, 2023 and December 31, 2022, respectively	34,411	34,489
Limited partners' interests in consolidated partnerships	47,703	46,565
Total noncontrolling interests	82,114	81,054
Total equity	6,139,435	6,178,039
Total liabilities and equity	10,805,680	10,860,220
Partnership Interest [Member]
Net real estate investments:
Real estate assets, at cost	11,886,697	11,858,064
Less: accumulated depreciation	2,484,960	2,415,860
Real estate assets, net	9,401,737	9,442,204
Investments in real estate partnerships	346,390	350,377
Net real estate investments	9,748,127	9,792,581
Cash, cash equivalents, and restricted cash, including $2,955 and $2,310 of restricted cash at March 31, 2023 and December 31, 2022, respectively	68,143	68,776
Tenant and other receivables	181,579	188,863
Deferred leasing costs, less accumulated amortization of $118,766 and $117,137 at March 31, 2023 and December 31,2022, respectively	68,567	68,945
Acquired lease intangible assets, less accumulated amortization of $344,460 and $338,053 at March 31, 2023 and December 31, 2022 respectively	188,636	197,745
Right of use assets, net	273,702	275,513
Other assets	276,926	267,797
Total assets	10,805,680	10,860,220
Liabilities:
Notes payable	3,711,784	3,726,754
Unsecured credit facility	30,000
Accounts payable and other liabilities	289,297	317,259
Acquired lease intangible liabilities, less accumulated amortization of $199,840 and $193,315 at March 31, 2023 and December 31, 2022, respectively	346,939	354,204
Lease liabilities	212,582	213,722
Tenants' security, escrow deposits and prepaid rent	75,643	70,242
Total liabilities	4,666,245	4,682,181
Commitments and contingencies
Shareholders' equity/Partners' capital:
General partner; 170,958,422 and 171,124,593 units outstanding at March 31, 2023 and December 31, 2022, respectively	6,053,394	6,089,425
Limited partners; 741,433 units outstanding at March 31, 2023 and December 31, 2022	34,411	34,489
Accumulated other comprehensive income	3,927	7,560
Total partners' capital	6,091,732	6,131,474
Noncontrolling interests:
Limited partners' interests in consolidated partnerships	47,703	46,565
Total capital	6,139,435	6,178,039
Total liabilities and equity	$ 10,805,680	$ 10,860,220