Consolidated Statements of Cash Flows - Supplemental Information Supplemental Cash Flows Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]
Interest paid, net of amounts capitalized	$ 68,003	$ 62,641	$ 38,062
Income taxes paid	155	343	0
Non-Cash Transactions:
Common stock dividends declared and accrued	47,350	44,681	42,559
Transfer from projects under development to operating properties	0	443,932	0
Transfer from operating properties and related liabilities to assets and liabilities of real estate assets held for sale	0	188,378	318,516
Non-cash assets and liabilities assumed in TIER transaction	0	0	1,512,373
Ground lease right-of-use assets and associated liabilities	0	0	56,294
Transfer from investment in unconsolidated joint ventures to operating properties	$ 37,777	$ 0	$ 50,781