CONSOLIDATED STATEMENTS OF CASH FLOWS - Unaudited - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
OPERATING ACTIVITIES
Net Income	$ 49,950	$ 65,923
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization from continuing operations	41,090	38,395
Stock-based compensation expense	3,087	3,324
Gain, net of loss, on sales of real estate investments and non-operating real estate	(21,815)	(42,456)
Changes in operating assets and liabilities:
Accrued income and other assets	1,539	3,198
Accounts payable, accrued expenses and prepaid rent	(7,310)	(4,149)
Other	654	185
NET CASH PROVIDED BY OPERATING ACTIVITIES	67,195	64,420
INVESTING ACTIVITIES
Real estate development	(47,767)	(37,669)
Purchases of real estate	(36,739)	0
Real estate improvements	(10,817)	(11,048)
Net proceeds from sales of real estate investments and non-operating real estate	39,934	73,467
Repayments on mortgage loans receivable	64	60
Changes in accrued development costs	2,826	905
Changes in other assets and other liabilities	(7,861)	(11,893)
NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES	(60,360)	13,822
FINANCING ACTIVITIES
Proceeds from unsecured bank credit facilities	193,658	168,283
Repayments on unsecured bank credit facilities	(217,640)	(282,802)
Repayments on secured debt	(7,098)	(9,376)
Proceeds from Issuance of Unsecured Debt	0	65,000
Debt issuance costs	(110)	(1,164)
Distributions paid to stockholders (not including dividends accrued on unvested restricted stock)	(42,690)	(40,119)
Proceeds from common stock offerings	69,105	24,693
Proceeds from dividend reinvestment plan	113	123
Other	(2,617)	(2,918)
NET CASH USED IN FINANCING ACTIVITIES	(7,279)	(78,280)
DECREASE IN CASH AND CASH EQUIVALENTS	(444)	(38)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	522	48
CASH AND CASH EQUIVALENTS AT END OF PERIOD	78	10
SUPPLEMENTAL CASH FLOW INFORMATION
Cash paid for interest, net of amount capitalized of $2,958 and $2,353 for 2017 and 2016, respectively	$ 17,160	$ 17,370