Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ (93,039)	$ (105,334)
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for impairment	0	(1,666)
Cash flows from investing activities:
Proceeds from sale of real estate investments	15,397	85,885
Parent Company [Member]
Partnership units issued for acquisition of real estate	13,100	0
Proceeds from Issuance of Unsecured Debt	953,115	0
Cash flows from operating activities:
Net income	(93,039)	(105,334)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	243,757	119,721
Amortization of deferred loan cost and debt premium	7,144	7,242
Amortization of above and below Market Leases	(18,784)	(2,296)
Share-based Compensation	16,836	7,554
Stock-based compensation, net of capitalization	2,459	2,561
Equity in income of investments in real estate partnerships	(33,804)	(46,618)
Gain on sale of real estate, net of tax	(4,913)	(22,997)
Provision for impairment	0	(1,666)
Gain (Loss) on Extinguishment of Debt	(12,404)	(13,943)
Distribution of earnings from operations of investments in real estate partnerships	(40,817)	(39,765)
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	(51)	0
Deferred compensation expense	2,885	1,249
Realized and unrealized (gain) loss on investments	(2,878)	(1,268)
Increase (Decrease) in Restricted Cash for Operating Activities	1,569	84
Changes in assets and liabilities:
Accounts receivable, net	2,574	3,715
Straight-line rent receivables, net	(13,901)	(4,894)
Deferred leasing costs	(10,294)	(7,841)
Other assets	8,075	(59)
Accounts payable and other liabilities	4,908	12,607
Tenants’ security, escrow deposits and prepaid rent	(2,490)	(1,406)
Net cash provided by operating activities	343,857	225,333
Cash flows from investing activities:
Acquisition of operating real estate	(2,109)	(333,220)
Payments for Deposits on Real Estate Acquisitions	(350)	1,250
Payments for Merger Related Costs	(648,763)	0
Real estate development and capital improvements	(241,834)	(146,773)
Proceeds from sale of real estate investments	15,397	83,675
Payments for (Proceeds from) Loans Receivable	3,460	0
Investments in real estate partnerships	(12,296)	(13,127)
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital	36,603	52,536
Dividends on investment securities	200	189
Acquisition of securities	(14,011)	(53,290)
Proceeds from sale of securities	11,974	54,176
Net cash used in investing activities	(858,649)	(354,584)
Cash flows from financing activities:
Net proceeds from common stock issuance	0	549,545
Proceeds from sale of treasury stock	100	957
Distributions to limited partners in consolidated partnerships, net	(7,031)	(3,126)
Distributions to exchangeable operating partnership unit holders	(450)	(229)
Dividends paid to common stockholders	(232,796)	(149,049)
Dividends paid to preferred stockholders	(5,029)	(15,797)
Proceeds from unsecured credit facilities	950,000	395,000
Repayment of unsecured credit facilities	(650,000)	(295,000)
Proceeds from notes payable	126,999	20,223
Repayments of Notes Payable	(232,839)	(41,584)
Scheduled principal payments	(7,452)	(4,462)
Payment of loan costs	(12,868)	(1,954)
Payments of Debt Extinguishment Costs	(12,419)	(13,214)
Net cash provided by financing activities	525,079	133,297
Payments Related to Tax Withholding for Share-based Compensation	(19,251)	(8,013)
Repayments of Unsecured Debt	0	300,000
Payments for Repurchase of Preferred Units	325,000	0
Cash and cash equivalents at beginning of the period	13,256	36,856
Cash and cash equivalents at end of the period	23,543	40,902
Net increase in cash and cash equivalents	10,287	4,046
Supplemental disclosure of cash flow information:
Cash paid for interest (net of capitalized interest of $5,778 and $2,622 in 2017 and 2016, respectively)	73,273	54,904
Income Taxes Paid	670	0
Supplemental disclosure of non-cash transactions:
Common stock issued under dividend reinvestment plan	908	804
Contributions from limited partners in consolidated partnerships, net	311	8,674
Common stock issued for dividend reinvestment in trust	557	556
Contribution of stock awards into trust	1,372	1,513
Distribution of stock held in trust	677	4,096
Unrealized Gain (Loss) on Securities	51	90
Deconsolidation of previously consolidated partnership [Abstract]
Noncash or Part Noncash Acquisition, Debt Assumed	757,399	0
Common stock exchanged for Equity One shares	(4,471,808)	0
Deconsolidation of consolidated partnership, Real estate, net	0	14,075
Deconsolidation of consolidated partnership, Return of capital	0	(3,355)
Deconsolidation of consolidated partnership, Mortgage Notes Payable	0	(9,415)
Deconsolidation of consolidated partnership, Other assets and liabilities	0	640
Deconsolidation of consolidated partnership, Noncontrolling Interest	0	(2,099)
Partnership Interest [Member]
Partnership units issued for acquisition of real estate	13,100	0
Proceeds from Issuance of Unsecured Debt	953,115	0
Cash flows from operating activities:
Net income	(93,039)	(105,334)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	243,757	119,721
Amortization of deferred loan cost and debt premium	7,144	7,242
Amortization of above and below Market Leases	(18,784)	(2,296)
Share-based Compensation	16,836	7,554
Stock-based compensation, net of capitalization	2,459	2,561
Equity in income of investments in real estate partnerships	(33,804)	(46,618)
Gain on sale of real estate, net of tax	(4,913)	(22,997)
Provision for impairment	0	(1,666)
Gain (Loss) on Extinguishment of Debt	(12,404)	(13,943)
Distribution of earnings from operations of investments in real estate partnerships	(40,817)	(39,765)
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	(51)	0
Deferred compensation expense	2,885	1,249
Realized and unrealized (gain) loss on investments	(2,878)	(1,268)
Increase (Decrease) in Restricted Cash for Operating Activities	1,569	84
Changes in assets and liabilities:
Accounts receivable, net	2,574	3,715
Straight-line rent receivables, net	(13,901)	(4,894)
Deferred leasing costs	(10,294)	(7,841)
Other assets	8,075	(59)
Accounts payable and other liabilities	4,908	12,607
Tenants’ security, escrow deposits and prepaid rent	(2,490)	(1,406)
Net cash provided by operating activities	343,857	225,333
Cash flows from investing activities:
Acquisition of operating real estate	(2,109)	(333,220)
Payments for Deposits on Real Estate Acquisitions	(350)	1,250
Payments for Merger Related Costs	(648,763)	0
Real estate development and capital improvements	(241,834)	(146,773)
Proceeds from sale of real estate investments	15,397	83,675
Payments for (Proceeds from) Loans Receivable	3,460	0
Investments in real estate partnerships	(12,296)	(13,127)
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital	36,603	52,536
Dividends on investment securities	200	189
Acquisition of securities	(14,011)	(53,290)
Proceeds from sale of securities	11,974	54,176
Net cash used in investing activities	(858,649)	(354,584)
Cash flows from financing activities:
Net proceeds from common units issued as a result of common stock issued by Parent Company	0	549,545
Proceeds from sale of treasury stock	100	957
Distributions to limited partners in consolidated partnerships, net	(7,031)	(3,126)
Dividends paid to common stockholders	(233,246)	(149,278)
Dividends paid to preferred stockholders	(5,029)	(15,797)
Proceeds from unsecured credit facilities	950,000	395,000
Repayment of unsecured credit facilities	(650,000)	(295,000)
Proceeds from notes payable	126,999	20,223
Repayments of Notes Payable	(232,839)	(41,584)
Scheduled principal payments	(7,452)	(4,462)
Payment of loan costs	(12,868)	(1,954)
Payments of Debt Extinguishment Costs	(12,419)	(13,214)
Net cash provided by financing activities	525,079	133,297
Payments for Repurchase of Common Stock	19,251	8,013
Repayments of Unsecured Debt	0	300,000
Payments for Repurchase of Preferred Units	325,000	0
Cash and cash equivalents at beginning of the period	13,256	36,856
Cash and cash equivalents at end of the period	23,543	40,902
Net increase in cash and cash equivalents	10,287	4,046
Supplemental disclosure of cash flow information:
Cash paid for interest (net of capitalized interest of $5,778 and $2,622 in 2017 and 2016, respectively)	73,273	54,904
Proceeds from Income Tax Refunds	670
Income Taxes Paid		0
Supplemental disclosure of non-cash transactions:
Common stock issued under dividend reinvestment plan	908	804
Contributions from limited partners in consolidated partnerships, net	311	8,674
Common stock issued for dividend reinvestment in trust	557	556
Contribution of stock awards into trust	1,372	1,513
Distribution of stock held in trust	677	4,096
Unrealized Gain (Loss) on Securities	51	90
Deconsolidation of previously consolidated partnership [Abstract]
Noncash or Part Noncash Acquisition, Debt Assumed	757,399	0
Units Issued to Parent Company for common stock exchanged for Equity One shares	(4,471,808)	0
Deconsolidation of consolidated partnership, Real estate, net	0	14,075
Deconsolidation of consolidated partnership, Return of capital	0	(3,355)
Deconsolidation of consolidated partnership, Mortgage Notes Payable	0	(9,415)
Deconsolidation of consolidated partnership, Other assets and liabilities	0	640
Deconsolidation of consolidated partnership, Noncontrolling Interest	$ 0	$ (2,099)