Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Total	Third Party Joint Ventures [Member]	Common Stock [Member] Class S Shares [Member]	Common Stock [Member] Class I Shares [Member]	Common Stock [Member] Class T Shares [Member]	Common Stock [Member] Class D Shares [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit and Cumulative Distributions [Member]	Total Stockholders' Equity [Member]	Non-controlling Interests [Member] Third Party Joint Ventures [Member]	Non-controlling Interests [Member] BREIT OP Unitholders [Member]
Beginning Balance at Dec. 31, 2018	$ 3,914,954		$ 2,770	$ 1,083	$ 233	$ 304	$ 4,327,444	$ (587,548)	$ 3,744,286	$ 75,592	$ 95,076
Common stock issued	2,811,230		1,024	1,231	89	221	2,808,665		2,811,230
Offering costs	(153,874)						(153,874)		(153,874)
Distribution reinvestment	93,894		52	25	4	5	93,808		93,894
Common stock/units repurchased	(105,667)		(34)	(55)	(7)	(1)	(105,500)		(105,597)		(70)
Amortization of restricted stock grants/compensation awards	1,200			2			198		200		1,000
Net income (loss)	(102,529)							(97,550)	(97,550)	(3,006)	(1,973)
Distributions declared on common stock	(160,413)							(160,413)	(160,413)
Contributions from non-controlling interests	87,406									45,943	41,463
Distributions to non-controlling interests	(8,385)									(4,804)	(3,581)
Allocation to redeemable non-controlling interests	(1,441)						(1,441)		(1,441)
Ending Balance at Jun. 30, 2019	6,376,375		3,812	2,286	319	529	6,969,300	(845,511)	6,130,735	113,725	131,915
Beginning Balance at Dec. 31, 2018	3,914,954		2,770	1,083	233	304	4,327,444	(587,548)	3,744,286	75,592	95,076
Ending Balance at Dec. 31, 2019	10,614,648		5,308	4,743	398	847	11,716,721	(1,422,885)	10,305,132	157,795	151,721
Beginning Balance at Mar. 31, 2019	4,591,704		3,190	1,322	267	381	5,115,490	(703,936)	4,416,714	77,173	97,817
Common stock issued	1,967,111		610	986	51	146	1,965,318		1,967,111
Offering costs	(103,027)						(103,027)		(103,027)
Distribution reinvestment	51,860		28	14	2	3	51,813		51,860
Common stock/units repurchased	(60,157)		(16)	(37)	(1)	(1)	(60,032)		(60,087)		(70)
Amortization of restricted stock grants/compensation awards	600			1			99		100		500
Net income (loss)	(52,710)							(50,704)	(50,704)	(970)	(1,036)
Distributions declared on common stock	(90,871)							(90,871)	(90,871)
Contributions from non-controlling interests	77,798									41,049	36,749
Distributions to non-controlling interests	(5,572)									(3,527)	(2,045)
Allocation to redeemable non-controlling interests	(361)						(361)		(361)
Ending Balance at Jun. 30, 2019	6,376,375		3,812	2,286	319	529	6,969,300	(845,511)	6,130,735	113,725	131,915
Beginning Balance at Dec. 31, 2019	10,614,648		5,308	4,743	398	847	11,716,721	(1,422,885)	10,305,132	157,795	151,721
Common stock issued	5,951,825		1,243	3,713	60	214	5,946,595		5,951,825
Offering costs	(126,380)						(126,380)		(126,380)
Distribution reinvestment	228,166		99	88	6	15	227,958		228,166
Common stock/units repurchased	(815,231)		(328)	(346)	(24)	(44)	(812,734)		(813,476)		(1,755)
Amortization of restricted stock grants/compensation awards	1,200			2			198		200		1,000
Net income (loss)	(897,808)							(885,648)	(885,648)	(208)	(11,952)
Distributions declared on common stock	(441,456)							(441,456)	(441,456)
Contributions from non-controlling interests	71,064									11,171	59,893
Distributions to non-controlling interests	(16,213)									(9,299)	(6,914)
Allocation to redeemable non-controlling interests	(302)	$ 300					(302)		(302)
Ending Balance at Jun. 30, 2020	14,569,513		6,322	8,200	440	1,032	16,952,056	(2,749,989)	14,218,061	159,459	191,993
Beginning Balance at Mar. 31, 2020	13,815,602		6,111	7,830	439	964	16,278,758	(2,830,046)	13,464,056	161,305	190,241
Common stock issued	876,568		258	474	12	73	875,751		876,568
Offering costs	(28,581)						(28,581)		(28,581)
Distribution reinvestment	123,244		54	51	3	8	123,128		123,244
Common stock/units repurchased	(299,009)		(101)	(156)	(14)	(13)	(297,305)		(297,589)		(1,420)
Amortization of restricted stock grants/compensation awards	600			1			99		100		500
Net income (loss)	318,642							314,439	314,439	(651)	4,854
Distributions declared on common stock	(234,382)							(234,382)	(234,382)
Contributions from non-controlling interests	3,173									1,916	1,257
Distributions to non-controlling interests	(6,550)									(3,111)	(3,439)
Allocation to redeemable non-controlling interests	206	$ (200)					206		206
Ending Balance at Jun. 30, 2020	$ 14,569,513		$ 6,322	$ 8,200	$ 440	$ 1,032	$ 16,952,056	$ (2,749,989)	$ 14,218,061	$ 159,459	$ 191,993