Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities
Net income	$ 44,467	$ 39,721
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	91,859	80,274
Gain on sale of land	(382)	0
Distributions of income from joint ventures	2,010	1,914
Income (Loss) from Equity Method Investments	2,122	1,912
Share-based compensation	3,433	4,030
Net change in operating accounts and other	(28,681)	(31,376)
Net cash from operating activities	110,584	92,651
Cash flows from investing activities
Development and capital improvements, including land	(109,554)	(79,498)
Acquisition of operating properties	0	(94,885)
Proceeds from sale of land	753	0
Increase in non-real estate assets	(3,006)	(2,520)
Other	(1,869)	146
Net cash from investing activities	(113,676)	(176,757)
Cash flows from financing activities
Borrowings on unsecured credit facility and other short-term borrowings	253,000	638,000
Repayments on unsecured credit facility and other short-term borrowings	(171,000)	(396,000)
Repayment of notes payable	0	(439,603)
Distributions to common shareholders and non-controlling interests	(80,973)	(74,982)
Proceeds from issuance of common shares	0	328,374
Payment of deferred financing costs	(407)	(5,285)
Other	1,617	1,746
Net cash from financing activities	2,237	52,250
Net decrease in cash, cash equivalents, and restricted cash	(855)	(31,856)
Cash, cash equivalents, and restricted cash, beginning of year	27,499	43,603
Cash, cash equivalents, and restricted cash, end of period	26,644	11,747
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Total cash, cash equivalents, and restricted cash	26,644	11,747
Supplemental information
Cash paid for interest, net of interest capitalized	17,581	13,997
Supplemental schedule of noncash investing and financing activities
Distributions declared but not paid	84,112	80,771
Value of shares issued under benefit plans, net of cancellations	18,412	16,930
Accrual associated with construction and capital expenditures	24,017	22,180
Right-of-use assets obtained in exchange for the use of new operating lease liabilities	$ 69	$ 16,813