Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Document Fiscal Year Focus	2017
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in income of investments in real estate partnerships	$ (43,341)	$ (56,518)	$ (22,508)
Provision for impairment	0	1,700	0
Deferred income tax expense (benefit) of taxable REIT subsidiary	(10,815)	0	0
Changes in assets and liabilities:
Straight-line rent receivable, net	(93,284)	(73,384)
Cash flows from investing activities:
Proceeds from sale of real estate investments		137,479	108,822
Parent Company [Member]
Cash flows from operating activities:
Net income	178,980	166,992	152,543
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	334,201	162,327	146,829
Amortization of deferred loan cost and debt premium	9,509	9,762	9,677
Net accretion of above and below market lease intangibles, net	(23,144)	(3,879)	(1,598)
Stock-based compensation, net of capitalization	20,549	10,652	11,081
Equity in income of investments in real estate partnerships	(43,341)	(56,518)	(22,508)
Gain Loss On Sale Of Properties Including Discontinued Operations	(27,432)	(47,321)	(35,606)
Provision for impairment	0	4,200	0
Early extinguishment of debt	12,449	14,240	8,239
Deferred income tax expense (benefit) of taxable REIT subsidiary	(9,737)	0	0
Proceeds from Equity Method Investment, Dividends or Distributions	53,502	50,361	46,646
(Payments for) Proceeds from Settlement of Derivative Instrument	0	0	(7,267)
Gain on derivative instruments	76	0	0
Deferred compensation expense	3,844	1,655	207
Net Realized and Unrealized Gain (Loss) on Trading Securities	3,837	1,673	626
Changes in assets and liabilities:
Increase (Decrease) in Restricted Cash for Operating Activities	1,362	59	1,926
Accounts receivable, net	(7,077)	(1,581)	(2,059)
Straight-line rent receivable, net	(19,004)	(7,219)	(8,231)
Deferred leasing costs	(14,448)	(10,349)	(12,949)
Other assets (note 1)	9,536	673	(496)
Accounts payable and other liabilities	(2,114)	5,543	(3,810)
Tenants’ security and escrow deposits and prepaid rent	(2,728)	(564)	3,545
Net cash provided by operating activities	471,146	297,360	285,543
Cash flows from investing activities:
Acquisition of operating real estate	(124,727)	(333,220)	(42,983)
Payments for (Proceeds from) Deposits on Real Estate Acquisitions	4,917	750	2,250
Payments to Acquire Businesses, Net of Cash Acquired	(648,763)	0	0
Real estate development and capital improvements	(347,780)	(234,598)	(205,103)
Proceeds from sale of real estate investments	112,161	135,269	108,822
Payments for (Proceeds from) Loans Receivable	(5,236)	0	1,719
Investments in real estate partnerships	(23,529)	(37,879)	(20,054)
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital	36,603	58,810	23,801
Payments for (Proceeds from) Other Investing Activities	365	330	243
Acquisition of securities	(23,535)	(55,223)	(31,941)
Proceeds from sale of securities	21,378	57,590	28,400
Net cash used in investing activities	(1,007,980)	(409,671)	(139,346)
Cash flows from financing activities:
Proceeds from Issuance of Common Limited Partners Units	88,458
Proceeds from Issuance of Common Stock		548,920	198,494
Payments Related to Tax Withholding for Share-based Compensation	(18,649)	(7,984)	(9,906)
Proceeds from sale of treasury stock	100	957	0
Payments for Repurchase of Common Stock	0	29	0
Redemption of preferred stock and partnership units	(325,000)	0	0
Proceeds from (Payments to) Noncontrolling Interests	(8,139)	(4,213)	(5,341)
Payments of Ordinary Dividends, Noncontrolling Interest	(635)	(307)	(299)
Dividends paid to common stockholders	(322,650)	(201,029)	(181,392)
Dividends paid to preferred stockholders	(5,029)	(21,062)	(21,062)
Repayment of fixed rate unsecured notes	0	(300,000)	(450,000)
Proceeds from Issuance of Unsecured Debt	953,115	0	248,160
Proceeds from unsecured credit facilities	1,100,000	460,000	445,000
Repayment of unsecured credit facilities	(755,000)	(345,000)	(355,000)
Proceeds from notes payable	131,069	53,446	4,316
Repayment of notes payable	(232,839)	(72,803)	(76,168)
Repayments of Secured Debt	10,162	5,860	5,878
Payment of loan costs	(13,271)	(2,233)	(5,998)
Payments of Debt Extinguishment Costs	(12,420)	(14,092)	(8,043)
Net cash provided by (used in) financing activities	568,948	88,711	(223,117)
Net increase (decrease) in cash and cash equivalents	32,114	(23,600)	(76,920)
Cash and cash equivalents	13,256	36,856	113,776
Cash and cash equivalents	45,370	13,256	36,856
Supplemental disclosure of cash flow information:
Cash paid for interest (net of capitalized interest of $000, $6,078, and $3,686 in 2014, 2013, and 2012, respectively)	109,956	82,950	101,527
Income Taxes Paid	(269)	0	1,015
Supplemental disclosure of non-cash transactions:
Stock Issued During Period, Value, Conversion of Units	13,100	0	0
Mortgage loans assumed for the acquisition of real estate	27,000	0	42,799
Unrealized Gain (Loss) on Securities	(8)	24	(43)
Stock Issued During Period, Value, Dividend Reinvestment Plan	1,210	1,070	1,250
Contributions from limited partners in consolidated partnerships, net	186	8,755	13
Common stock issued for dividend reinvestment in trust	557	728	833
Stock-based compensation capitalized	3,210	2,963	2,988
Contribution of stock awards into trust	1,372	1,538	1,651
Distribution of stock held in trust	677	4,114	1,898
Deconsolidation of consolidated partnership, Real estate, net	0	14,144	0
Deconsolidation of consolidated partnership, Return of capital	0	(3,355)	0
Deconsolidation of consolidated partnership, Mortgage Notes Payable	0	(9,415)	0
Deconsolidation of consolidated partnership, Other assets and liabilities	0	571	0
Deconsolidation of consolidated partnership, Noncontrolling Interest	0	(2,099)	0
Partnership Interest [Member]
Cash flows from operating activities:
Net income	178,980	166,992	152,543
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	334,201	162,327	146,829
Amortization of deferred loan cost and debt premium	9,509	9,762	9,677
Net accretion of above and below market lease intangibles, net	(23,144)	(3,879)	(1,598)
Stock-based compensation, net of capitalization	20,549	10,652	11,081
Equity in income of investments in real estate partnerships	(43,341)	(56,518)	(22,508)
Gain Loss On Sale Of Properties Including Discontinued Operations	(27,432)	(47,321)	(35,606)
Provision for impairment	0	4,200	0
Early extinguishment of debt	12,449	14,240	8,239
Deferred income tax expense (benefit) of taxable REIT subsidiary	(9,737)	0	0
Proceeds from Equity Method Investment, Dividends or Distributions	53,502	50,361	46,646
(Payments for) Proceeds from Settlement of Derivative Instrument	0	0	(7,267)
Gain on derivative instruments	76	0	0
Deferred compensation expense	3,844	1,655	207
Net Realized and Unrealized Gain (Loss) on Trading Securities	3,837	1,673	626
Changes in assets and liabilities:
Increase (Decrease) in Restricted Cash for Operating Activities	1,362	59	1,926
Accounts receivable, net	(7,077)	(1,581)	(2,059)
Straight-line rent receivable, net	(19,004)	(7,219)	(8,231)
Deferred leasing costs	(14,448)	(10,349)	(12,949)
Other assets (note 1)	9,536	673	(496)
Accounts payable and other liabilities	(2,114)	5,543	(3,810)
Tenants’ security and escrow deposits and prepaid rent	(2,728)	(564)	3,545
Net cash provided by operating activities	471,146	297,360	285,543
Cash flows from investing activities:
Acquisition of operating real estate	(124,727)	(333,220)	(42,983)
Payments for (Proceeds from) Deposits on Real Estate Acquisitions	4,917	750	2,250
Payments to Acquire Businesses, Net of Cash Acquired	(648,763)	0	0
Real estate development and capital improvements	(347,780)	(234,598)	(205,103)
Proceeds from sale of real estate investments	112,161	135,269	108,822
Payments for (Proceeds from) Loans Receivable	(5,236)	0	1,719
Investments in real estate partnerships	(23,529)	(37,879)	(20,054)
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital	36,603	58,810	23,801
Payments for (Proceeds from) Other Investing Activities	365	330	243
Acquisition of securities	(23,535)	(55,223)	(31,941)
Proceeds from sale of securities	21,378	57,590	28,400
Net cash used in investing activities	(1,007,980)	(409,671)	(139,346)
Cash flows from financing activities:
Proceeds from Issuance of Common Limited Partners Units	88,458	548,920	198,494
Payments Related to Tax Withholding for Share-based Compensation	(18,649)	(7,984)	(9,906)
Proceeds from sale of treasury stock	100	957	0
Payments for Repurchase of Common Stock	0	29	0
Redemption of preferred stock and partnership units	(325,000)	0	0
Proceeds from (Payments to) Noncontrolling Interests	(8,139)	(4,213)	(5,341)
Dividends paid to common stockholders	(323,285)	(201,336)	(181,691)
Dividends paid to preferred stockholders	(5,029)	(21,062)	(21,062)
Repayment of fixed rate unsecured notes	0	(300,000)	(450,000)
Proceeds from Issuance of Unsecured Debt	953,115	0	248,160
Proceeds from unsecured credit facilities	1,100,000	460,000	445,000
Repayment of unsecured credit facilities	(755,000)	(345,000)	(355,000)
Proceeds from notes payable	131,069	53,446	4,316
Repayment of notes payable	(232,839)	(72,803)	(76,168)
Repayments of Secured Debt	10,162	5,860	5,878
Payment of loan costs	(13,271)	(2,233)	(5,998)
Payments of Debt Extinguishment Costs	(12,420)	(14,092)	(8,043)
Net cash provided by (used in) financing activities	568,948	88,711	(223,117)
Net increase (decrease) in cash and cash equivalents	32,114	(23,600)	(76,920)
Cash and cash equivalents	13,256	36,856	113,776
Cash and cash equivalents	45,370	13,256	36,856
Supplemental disclosure of cash flow information:
Cash paid for interest (net of capitalized interest of $000, $6,078, and $3,686 in 2014, 2013, and 2012, respectively)	109,956	82,950	101,527
Supplemental disclosure of non-cash transactions:
Stock Issued During Period, Value, Conversion of Units	13,100	0	0
Mortgage loans assumed for the acquisition of real estate	27,000	0	42,799
Unrealized Gain (Loss) on Securities	(8)	24	(43)
Stock Issued During Period, Value, Dividend Reinvestment Plan	1,210	1,070	1,250
Contributions from limited partners in consolidated partnerships, net	186	8,755	13
Common stock issued for dividend reinvestment in trust	557	728	833
Stock-based compensation capitalized	3,210	2,963	2,988
Contribution of stock awards into trust	1,372	1,538	1,651
Distribution of stock held in trust	677	4,114	1,898
Deconsolidation of consolidated partnership, Real estate, net	0	14,144	0
Deconsolidation of consolidated partnership, Return of capital	0	(3,355)	0
Deconsolidation of consolidated partnership, Mortgage Notes Payable	0	(9,415)	0
Deconsolidation of consolidated partnership, Other assets and liabilities	0	571	0
Deconsolidation of consolidated partnership, Noncontrolling Interest	0	(2,099)	0
Common Stock | Parent Company [Member]
Supplemental disclosure of non-cash transactions:
Stock Issued During Period, Value, Dividend Reinvestment Plan	1,210	1,070	1,250
Equity One Inc. [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation, net of capitalization	7,931	0	0
Equity One Inc. [Member] | Partnership Interest [Member]
Supplemental disclosure of non-cash transactions:
Mortgage loans assumed for the acquisition of real estate	757,399	0	0
Common stock exchanged for Equity One shares	$ 4,471,808	$ 0	$ 0