Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Real Estate Investment Property, at Cost [Abstract]
Real estate assets, at cost	$ 11,762,300	$ 11,495,581
Less: accumulated depreciation	2,301,183	2,174,963
Real estate assets, net	9,461,117	9,320,618
Investments in real estate partnerships	330,887	372,591
Properties held for sale	2,354	25,574
Cash, cash equivalents, and restricted cash, including $3,128 and $1,930 of restricted cash at June 30, 2022 and December 31, 2021, respectively	121,190	95,027	$ 378,450
Tenant and other receivables	159,643	153,091
Deferred leasing costs, less accumulated amortization of $120,650 and $117,878 at June 30, 2022 and December 31, 2021, respectively	65,607	65,741
Acquired lease intangible assets, less accumulated amortization of $325,131 and $312,186 at June 30, 2022 and December 31, 2021, respectively	214,264	212,707
Right of use assets, net	278,153	280,783
Other assets	268,600	266,431
Total assets	10,901,815	10,792,563
Liabilities:
Notes payable	3,737,380	3,718,944
Accounts payable and other liabilities	322,409	322,271
Acquired lease intangible liabilities, less accumulated amortization of $180,082 and $172,293 at June 30, 2022 and December 31, 2021, respectively	357,581	363,276
Lease liabilities	214,800	215,788
Tenants' security, escrow deposits and prepaid rent	63,510	62,352
Total liabilities	4,695,680	4,682,631
Commitments and contingencies
Equity :
Common stock, $0.01 par value per share, 220,000,000 shares authorized; 171,173,103 and 171,213,008 shares issued at June 30, 2022 and December 31, 2021, respectively	1,711	1,712
Treasury stock at cost, 456,225 and 427,901 shares held at June 30, 2022 and December 31, 2021, respectively	(23,882)	(22,758)
Additional paid-in-capital	7,874,461	7,883,458
Accumulated other comprehensive income (loss)	2,388	(10,227)
Distributions in excess of net income	(1,729,645)	(1,814,814)
Total stockholders’ equity	6,125,033	6,037,371
Exchangeable operating partnership units, aggregate redemption value of $43,974 and $56,844 at June 30, 2022 and December 31, 2021, respectively	34,611	35,447
Limited partners' interests in consolidated partnerships	46,491	37,114
Total noncontrolling interests	81,102	72,561
Total equity	6,206,135	6,109,932	6,058,147
Total liabilities and equity	10,901,815	10,792,563
Partnership Interest [Member]
Real Estate Investment Property, at Cost [Abstract]
Real estate assets, at cost	11,762,300	11,495,581
Less: accumulated depreciation	2,301,183	2,174,963
Real estate assets, net	9,461,117	9,320,618
Investments in real estate partnerships	330,887	372,591
Properties held for sale	2,354	25,574
Cash, cash equivalents, and restricted cash, including $3,128 and $1,930 of restricted cash at June 30, 2022 and December 31, 2021, respectively	121,190	95,027	378,450
Tenant and other receivables	159,643	153,091
Deferred leasing costs, less accumulated amortization of $120,650 and $117,878 at June 30, 2022 and December 31, 2021, respectively	65,607	65,741
Acquired lease intangible assets, less accumulated amortization of $325,131 and $312,186 at June 30, 2022 and December 31, 2021, respectively	214,264	212,707
Right of use assets, net	278,153	280,783
Other assets	268,600	266,431
Total assets	10,901,815	10,792,563
Liabilities:
Notes payable	3,737,380	3,718,944
Accounts payable and other liabilities	322,409	322,271
Acquired lease intangible liabilities, less accumulated amortization of $180,082 and $172,293 at June 30, 2022 and December 31, 2021, respectively	357,581	363,276
Lease liabilities	214,800	215,788
Tenants' security, escrow deposits and prepaid rent	63,510	62,352
Total liabilities	4,695,680	4,682,631
Commitments and contingencies
Equity :
General partner; 171,173,103 and 171,213,008 units outstanding at June 30, 2022 and December 31, 2021, respectively	6,122,645	6,047,598
Limited partners; 741,433 and 760,046 units outstanding at June 30, 2022 and December 31, 2021, respectively	34,611	35,447
Accumulated other comprehensive income (loss)	2,388	(10,227)
Total partners' capital	6,159,644	6,072,818
Limited partners' interests in consolidated partnerships	46,491	37,114
Total capital	6,206,135	6,109,932	$ 6,058,147
Total liabilities and equity	$ 10,901,815	$ 10,792,563