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Guarantor Disclosure - Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash (used in) provided by operating activities | $ 32,723 |
Merger with Equity One | (648,957) |
Real estate development and capital improvements | (66,504) |
Proceeds from sale of real estate investments | 1,749 | $ 34,321
Proceeds from sale of real estate investments | (510) |
Investments in real estate partnerships | (1,688) |
Distributions received from investments in real estate partnerships | 25,428 |
Dividends on investment securities | 55 |
Acquisition of securities | (3,334) |
Distribution received from subsidiary | 0 |
Repayment from subsidiary | 0 |
Proceeds from sale of securities | (3,815) |
Net cash used in investing activities | (689,946) |
Proceeds from sale of treasury stock | 76 |
Repurchase of common shares in conjunction with equity award plans | (18,275) |
Redemption of preferred stock and partnership units | (250,000) |
Distributions to limited partners in consolidated partnerships, net | (786) |
Distributions to exchangeable operating partnership unit holders | (79) |
Dividends paid to common stockholders | (53,289) |
Dividends paid to preferred stockholders | (3,241) |
Proceeds from issuance of fixed rate unsecured notes, net | 646,424 |
Proceeds from unsecured credit facilities | 740,000 |
Repayment of unsecured credit facilities | (360,000) |
Proceeds from notes payable | 1,577 |
Repayment of notes payable | (11,422) |
Scheduled principal payments | (1,367) |
Payment of loan costs | (8,796) |
Net cash provided by (used in) financing activities | 680,822 |
Net increase (decrease) in cash and cash equivalents | 23,599 |
Cash and cash equivalents at beginning of the period | 13,256 |
Cash and cash equivalents at end of the period | 36,855 |
Eliminating Entries [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash (used in) provided by operating activities | (93,770) |
Merger with Equity One | 0 |
Real estate development and capital improvements | 0 |
Proceeds from sale of real estate investments | 0 |
Proceeds from sale of real estate investments | 0 |
Investments in real estate partnerships | 0 |
Distributions received from investments in real estate partnerships | 0 |
Dividends on investment securities | 0 |
Acquisition of securities | 0 |
Distribution received from subsidiary | (268,274) |
Repayment from subsidiary | 0 |
Proceeds from sale of securities | 0 |
Net cash used in investing activities | (268,274) |
Proceeds from sale of treasury stock | 0 |
Repurchase of common shares in conjunction with equity award plans | 18,275 |
Redemption of preferred stock and partnership units | 250,000 |
Distributions to limited partners in consolidated partnerships, net | 0 |
Distributions to exchangeable operating partnership unit holders | 0 |
Dividends paid to common stockholders | 90,528 |
Dividends paid to preferred stockholders | 3,241 |
Proceeds from issuance of fixed rate unsecured notes, net | 0 |
Proceeds from unsecured credit facilities | 0 |
Repayment of unsecured credit facilities | 0 |
Proceeds from notes payable | 0 |
Repayment of notes payable | 0 |
Scheduled principal payments | 0 |
Payment of loan costs | 0 |
Net cash provided by (used in) financing activities | 362,044 |
Net increase (decrease) in cash and cash equivalents | 0 |
Cash and cash equivalents at beginning of the period | 0 |
Cash and cash equivalents at end of the period | 0 |
Regency Centers, L.P. [Member] | Reportable Legal Entities [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash (used in) provided by operating activities | (41,028) |
Merger with Equity One | (648,957) |
Real estate development and capital improvements | (5,117) |
Proceeds from sale of real estate investments | 1,749 |
Proceeds from sale of real estate investments | (510) |
Investments in real estate partnerships | (1,688) |
Distributions received from investments in real estate partnerships | 25,428 |
Dividends on investment securities | 55 |
Acquisition of securities | (3,334) |
Distribution received from subsidiary | 0 |
Repayment from subsidiary | 0 |
Proceeds from sale of securities | (3,815) |
Net cash used in investing activities | (628,559) |
Proceeds from sale of treasury stock | 76 |
Repurchase of common shares in conjunction with equity award plans | (18,275) |
Redemption of preferred stock and partnership units | (250,000) |
Distributions to limited partners in consolidated partnerships, net | (786) |
Distributions to exchangeable operating partnership unit holders | (79) |
Dividends paid to common stockholders | (53,289) |
Dividends paid to preferred stockholders | (3,241) |
Proceeds from issuance of fixed rate unsecured notes, net | 646,424 |
Proceeds from unsecured credit facilities | 740,000 |
Repayment of unsecured credit facilities | (360,000) |
Proceeds from notes payable | 0 |
Repayment of notes payable | 0 |
Scheduled principal payments | 0 |
Payment of loan costs | (7,644) |
Net cash provided by (used in) financing activities | 693,186 |
Net increase (decrease) in cash and cash equivalents | 23,599 |
Cash and cash equivalents at beginning of the period | 13,256 |
Cash and cash equivalents at end of the period | 36,855 |
Regency Centers Corporation [Member] | Reportable Legal Entities [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash (used in) provided by operating activities | 56,531 |
Merger with Equity One | 0 |
Real estate development and capital improvements | 0 |
Proceeds from sale of real estate investments | 0 |
Proceeds from sale of real estate investments | 0 |
Investments in real estate partnerships | 0 |
Distributions received from investments in real estate partnerships | 0 |
Dividends on investment securities | 0 |
Acquisition of securities | 0 |
Distribution received from subsidiary | 268,274 |
Repayment from subsidiary | 0 |
Proceeds from sale of securities | 0 |
Net cash used in investing activities | 268,274 |
Proceeds from sale of treasury stock | 0 |
Repurchase of common shares in conjunction with equity award plans | (18,275) |
Redemption of preferred stock and partnership units | (250,000) |
Distributions to limited partners in consolidated partnerships, net | 0 |
Distributions to exchangeable operating partnership unit holders | 0 |
Dividends paid to common stockholders | (53,289) |
Dividends paid to preferred stockholders | (3,241) |
Proceeds from issuance of fixed rate unsecured notes, net | 0 |
Proceeds from unsecured credit facilities | 0 |
Repayment of unsecured credit facilities | 0 |
Proceeds from notes payable | 0 |
Repayment of notes payable | 0 |
Scheduled principal payments | 0 |
Payment of loan costs | 0 |
Net cash provided by (used in) financing activities | (324,805) |
Net increase (decrease) in cash and cash equivalents | 0 |
Cash and cash equivalents at beginning of the period | 0 |
Cash and cash equivalents at end of the period | 0 |
Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash (used in) provided by operating activities | 11,837 |
Merger with Equity One | 0 |
Real estate development and capital improvements | 0 |
Proceeds from sale of real estate investments | 0 |
Proceeds from sale of real estate investments | 0 |
Investments in real estate partnerships | 0 |
Distributions received from investments in real estate partnerships | 0 |
Dividends on investment securities | 0 |
Acquisition of securities | 0 |
Distribution received from subsidiary | 0 |
Repayment from subsidiary | 0 |
Proceeds from sale of securities | 0 |
Net cash used in investing activities | 0 |
Proceeds from sale of treasury stock | 0 |
Repurchase of common shares in conjunction with equity award plans | 0 |
Redemption of preferred stock and partnership units | 0 |
Distributions to limited partners in consolidated partnerships, net | 0 |
Distributions to exchangeable operating partnership unit holders | 0 |
Dividends paid to common stockholders | (11,640) |
Dividends paid to preferred stockholders | 0 |
Proceeds from issuance of fixed rate unsecured notes, net | 0 |
Proceeds from unsecured credit facilities | 0 |
Repayment of unsecured credit facilities | 0 |
Proceeds from notes payable | 0 |
Repayment of notes payable | (197) |
Scheduled principal payments | 0 |
Payment of loan costs | 0 |
Net cash provided by (used in) financing activities | (11,837) |
Net increase (decrease) in cash and cash equivalents | 0 |
Cash and cash equivalents at beginning of the period | 0 |
Cash and cash equivalents at end of the period | 0 |
Non-Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Net cash (used in) provided by operating activities | 99,153 |
Merger with Equity One | 0 |
Real estate development and capital improvements | (61,387) |
Proceeds from sale of real estate investments | 0 |
Proceeds from sale of real estate investments | 0 |
Investments in real estate partnerships | 0 |
Distributions received from investments in real estate partnerships | 0 |
Dividends on investment securities | 0 |
Acquisition of securities | 0 |
Distribution received from subsidiary | 0 |
Repayment from subsidiary | 0 |
Proceeds from sale of securities | 0 |
Net cash used in investing activities | (61,387) |
Proceeds from sale of treasury stock | 0 |
Repurchase of common shares in conjunction with equity award plans | 0 |
Redemption of preferred stock and partnership units | 0 |
Distributions to limited partners in consolidated partnerships, net | 0 |
Distributions to exchangeable operating partnership unit holders | 0 |
Dividends paid to common stockholders | (25,599) |
Dividends paid to preferred stockholders | 0 |
Proceeds from issuance of fixed rate unsecured notes, net | 0 |
Proceeds from unsecured credit facilities | 0 |
Repayment of unsecured credit facilities |  |
Proceeds from notes payable | 1,577 |
Repayment of notes payable | (11,225) |
Scheduled principal payments | (1,367) |
Payment of loan costs | (1,152) |
Net cash provided by (used in) financing activities | (37,766) |
Net increase (decrease) in cash and cash equivalents | 0 |
Cash and cash equivalents at beginning of the period | 0 |
Cash and cash equivalents at end of the period | $ 0 |

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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3574-108585 + Details
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- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 + Details
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