CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019
Operating activities:
Net income	$ 27,944	$ 59,781	$ 80,854	$ 62,900	$ 96,769	$ 212,714
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization					251,334	249,825
(Accretion) amortization of debt premium and discount, net					(424)	1,053
Deferred financing cost amortization					5,550	5,299
Accretion of above- and below-market leases, net					(12,351)	(14,125)
Tenant inducement amortization and other					2,696	2,694
Impairment of real estate assets	5,746		8,170		16,306	17,468
Gain on sale of real estate assets					(23,218)	(46,266)
Equity based compensation					7,807	8,847
Loss on extinguishment of debt, net					10,441	1,620
Changes in operating assets and liabilities:
Receivables, net					(15,907)	(13,532)
Deferred charges and prepaid expenses					(22,797)	(30,138)
Other assets					(298)	(74)
Accounts payable, accrued expenses and other liabilities					7,724	4,548
Net cash provided by operating activities					323,632	399,933
Investing activities:
Improvements to and investments in real estate assets					(217,940)	(282,211)
Acquisitions of real estate assets					(3,425)	(79,634)
Proceeds from sales of real estate assets					82,922	239,838
Purchase of marketable securities					(19,944)	(36,045)
Proceeds from sale of marketable securities					18,133	47,509
Net cash used in investing activities					(140,254)	(110,543)
Financing activities:
Repayment of secured debt obligations					(7,000)	0
Repayment of borrowings under unsecured revolving credit facility					(653,000)	(541,000)
Proceeds from borrowings under unsecured revolving credit facility					646,000	235,000
Proceeds from unsecured notes					820,396	771,623
Repayment of borrowings under unsecured term loans and notes					(183,151)	(500,000)
Deferred financing and debt extinguishment costs					(17,994)	(6,689)
Distributions to common stockholders					(170,397)	(251,334)
Repurchases of common shares					(25,007)	(14,563)
Repurchases of common shares in conjunction with equity award plans					(3,528)	(1,711)
Net cash provided by (used in) financing activities					406,319	(308,674)
Net change in cash, cash equivalents and restricted cash					589,697	(19,284)
Cash, cash equivalents and restricted cash at beginning of period		21,523		50,765	21,523	50,765	$ 50,765
Cash, cash equivalents and restricted cash at end of period	611,220		31,481		611,220	31,481	21,523
Reconciliation to consolidated balance sheets:
Cash and cash equivalents	609,812		29,072		609,812	29,072	19,097
Restricted cash								$ 1,408	$ 2,426	$ 2,409
Cash, cash equivalents and restricted cash at end of period	611,220	21,523	31,481	50,765	611,220	31,481	50,765	611,220	21,523	31,481
Supplemental disclosure of cash flow information:
Cash paid for interest, net of amount capitalized of $3,333 and $2,401					135,006	134,507
Brixmor Operating Partnership LP
Operating activities:
Net income	27,944	59,781	80,854	62,900	96,769	212,714
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization					251,334	249,825
(Accretion) amortization of debt premium and discount, net					(424)	1,053
Deferred financing cost amortization					5,550	5,299
Accretion of above- and below-market leases, net					(12,351)	(14,125)
Tenant inducement amortization and other					2,696	2,694
Impairment of real estate assets					16,306	17,468
Gain on sale of real estate assets					(23,218)	(46,266)
Equity based compensation					7,807	8,847
Loss on extinguishment of debt, net					10,441	1,620
Changes in operating assets and liabilities:
Receivables, net					(15,907)	(13,532)
Deferred charges and prepaid expenses					(22,797)	(30,138)
Other assets					(298)	(74)
Accounts payable, accrued expenses and other liabilities					7,724	4,548
Net cash provided by operating activities					323,632	399,933
Investing activities:
Improvements to and investments in real estate assets					(217,940)	(282,211)
Acquisitions of real estate assets					(3,425)	(79,634)
Proceeds from sales of real estate assets					82,922	239,838
Purchase of marketable securities					(19,944)	(36,042)
Proceeds from sale of marketable securities					18,133	47,509
Net cash used in investing activities					(140,254)	(110,540)
Financing activities:
Repayment of secured debt obligations					(7,000)	0
Repayment of borrowings under unsecured revolving credit facility					(653,000)	(541,000)
Proceeds from borrowings under unsecured revolving credit facility					646,000	235,000
Proceeds from unsecured notes					820,396	771,623
Repayment of borrowings under unsecured term loans and notes					(183,151)	(500,000)
Deferred financing and debt extinguishment costs					(17,994)	(6,689)
Partner distributions and repurchases of OP Units					(208,930)	(267,503)
Net cash provided by (used in) financing activities					396,321	(308,569)
Net change in cash, cash equivalents and restricted cash					579,699	(19,176)
Cash, cash equivalents and restricted cash at beginning of period		21,507		50,639	21,507	50,639	50,639
Cash, cash equivalents and restricted cash at end of period	601,206		31,463		601,206	31,463	21,507
Reconciliation to consolidated balance sheets:
Cash and cash equivalents	599,798		29,054		599,798	29,054	19,081
Restricted cash								1,408	2,426	2,409
Cash, cash equivalents and restricted cash at end of period	$ 601,206	$ 21,507	$ 31,463	$ 50,639	601,206	31,463	$ 50,639	$ 601,206	$ 21,507	$ 31,463
Supplemental disclosure of cash flow information:
Cash paid for interest, net of amount capitalized of $3,333 and $2,401					$ 135,006	$ 134,507