CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Flows from Operating Activities:
Net income	$ 5,226	$ 7,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	59,117	63,089
Straight-lining of rental revenue	(10,611)	(11,578)
Amortization of stock-based compensation expense	5,397	7,602
Loss from unconsolidated joint ventures	4,221	1,027
Distributions of earnings from unconsolidated joint ventures	935	537
Amortization of deferred financing costs	2,318	2,801
Realized and unrealized losses (gains) on marketable securities	2,199	(1,880)
Amortization of above and below-market leases, net	(1,508)	(3,276)
Income from unconsolidated real estate funds	(52)	(46)
Distributions of earnings from unconsolidated real estate funds	189	1,011
Receipt of accrued interest on preferred equity investment		2,339
Other non-cash adjustments	36	(458)
Changes in operating assets and liabilities:
Accounts and other receivables	1,405	(60)
Deferred charges	(4,389)	(2,570)
Other assets	(28,083)	31,000
Accounts payable and accrued expenses	(7,019)	(2,544)
Other liabilities	(2,421)	457
Net cash provided by operating activities	26,960	94,451
Cash Flows from Investing Activities:
Repayment of amounts due from affiliates	36,918
Due from affiliates		(11,000)
Additions to real estate	(30,460)	(27,944)
Purchases of marketable securities	(8,187)	(6,568)
Sales of marketable securities	4,780	3,132
Contributions of capital to unconsolidated real estate funds	(2,936)	(36)
Distributions of capital from unconsolidated real estate funds		1,260
Investments in and contributions of capital to unconsolidated joint ventures		(49,239)
Redemption of preferred equity investment		33,750
Net cash provided by (used in) investing activities	115	(56,645)
Cash Flows from Financing Activities:
Borrowings under revolving credit facility	163,082
Repurchases of common shares	(97,013)
Dividends paid to common stockholders	(22,743)	(23,356)
Distributions paid to common unitholders	(2,512)	(2,546)
Repayment of note payable issued in connection with the acquisition of noncontrolling interest in consolidated real estate fund	(8,771)
Distributions to noncontrolling interests	(3,172)	(30,777)
Contributions from noncontrolling interests	8,055	14,496
Proceeds from notes and mortgages payable	3,073
Repurchase of shares related to stock compensation agreements and related tax withholdings	(309)	(301)
Debt issuance costs		(260)
Net cash provided by (used in) financing activities	39,690	(42,744)
Net increase (decrease) in cash and cash equivalents and restricted cash	66,765	(4,938)
Cash and cash equivalents and restricted cash at beginning of period	331,487	365,409
Cash and cash equivalents and restricted cash at end of period	398,252	360,471
Reconciliation of Cash and Cash Equivalents and Restricted Cash:
Cash and cash equivalents at beginning of period	306,215	339,653
Restricted cash at beginning of period	25,272	25,756
Cash and cash equivalents and restricted cash at beginning of period	331,487	365,409
Cash and cash equivalents at end of period	377,689	342,308
Restricted cash at end of period	20,563	18,163
Cash and cash equivalents and restricted cash at end of period	398,252	360,471
Supplemental Disclosure of Cash Flow Information:
Cash payments for interest	34,565	33,872
Cash payments for income taxes, net of refunds	575	1,480
Non-Cash Transactions:
Common shares issued upon redemption of common units	85,311	21,982
Dividends and distributions declared but not yet paid	24,342	25,949
Additions to real estate included in accounts payable and accrued expenses	14,878	15,630
Write-off of fully amortized and/or depreciated assets	$ 3,794	1,578
Change in value of interest rate swaps		$ 9,026