Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Total Revenues	$ 185,680	$ 186,637	$ 372,578	$ 376,187
Expenses:
Rental property operating expenses	62,216	63,716	127,093	130,111
Reimbursed expenses	677	398	1,037	766
General and administrative expenses	6,996	7,313	15,059	14,046
Interest expense	16,549	16,656	32,074	33,864
Depreciation and amortization	69,861	71,456	140,605	142,326
Other	425	824	646	1,414
Total costs and expenses	156,724	160,363	316,514	322,527
Income from unconsolidated joint ventures	5,280	1,795	6,404	3,698
Gain on sales of investments in unconsolidated joint ventures	0	0	0	39
Gain (loss) on investment property transactions	28	(9)	(41)	(26)
Loss on extinguishment of debt	(100)	0	(100)	0
Net income	34,164	28,060	62,327	57,371
Net loss (income) attributable to noncontrolling interests	(112)	93	(291)	(108)
Net income available to common stockholders	$ 34,052	$ 28,153	$ 62,036	$ 57,263
Net income per common share — basic (in usd per share)	$ 0.23	$ 0.19	$ 0.42	$ 0.39
Net income per common share — diluted (in usd per share)	$ 0.23	$ 0.19	$ 0.42	$ 0.39
Weighted average shares — basic (in shares)	148,837	148,665	148,788	148,644
Weighted average shares — diluted (in shares)	149,142	148,740	149,090	148,716
Rental property revenues
Revenues:
Total Revenues	$ 183,174	$ 181,766	$ 366,401	$ 366,573
Fee income
Revenues:
Total Revenues	2,305	4,803	3,693	9,332
Other
Revenues:
Total Revenues	$ 201	$ 68	$ 2,484	$ 282