Condensed Consolidated Statement of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock Common Stock Class T	Common Stock Common Stock Class S	Common Stock Common Stock Class D	Common Stock Common Stock Class I	Additional Paid-In Capital	Accumulated Deficit and Cumulative Distributions	Total Stockholders' Equity	Non-Controlling Interests
Balance at Dec. 31, 2019	$ 849,247	$ 14	$ 262	$ 17	$ 161	$ 883,506	$ (46,697)	$ 837,263	$ 11,984
Common stock issued	421,659	6	94	6	89	421,464		421,659
Offering costs	(20,528)					(20,528)		(20,528)
Distribution reinvestments	8,364		2		1	8,361		8,364
Amortization of restricted stock grants	21					21		21
Common stock repurchased	(980)					(980)		(980)
Net loss (allocated to redeemable non- controlling interest)	(40,315)						(39,677)	(39,677)	(638)
Contributions from non-controlling interests	58,840								58,840
Distributions to non-controlling interests	(356)								(356)
Distributions declared on common stock (see Note 10)	(16,368)						(16,368)	(16,368)
Allocation to redeemable non- controlling interest	(302)					(302)		(302)
Balance at Mar. 31, 2020	1,259,282	20	358	23	251	1,291,542	(102,742)	1,189,452	69,830
Balance at Dec. 31, 2019	849,247	14	262	17	161	883,506	(46,697)	837,263	11,984
Allocation to redeemable non- controlling interest	(792)
Balance at Sep. 30, 2020	1,376,695	23	409	25	313	1,533,049	(167,721)	1,366,098	10,597
Balance at Mar. 31, 2020	1,259,282	20	358	23	251	1,291,542	(102,742)	1,189,452	69,830
Common stock issued	95,244	2	23	1	17	95,201		95,244
Offering costs	(5,369)					(5,369)		(5,369)
Distribution reinvestments	10,463		3		2	10,458		10,463
Amortization of restricted stock grants	21					21		21
Common stock repurchased	(21,374)	(1)	(5)		(3)	(21,365)		(21,374)
Net loss (allocated to redeemable non- controlling interest)	(14,671)						(14,262)	(14,262)	(409)
Contributions from non-controlling interests	1,352								1,352
Distributions to non-controlling interests	(831)								(831)
Repurchase of non-controlling interests	(58,837)								(58,837)
Distributions declared on common stock (see Note 10)	(19,300)						(19,300)	(19,300)
Allocation to redeemable non- controlling interest	(274)					(274)		(274)
Balance at Jun. 30, 2020	1,245,706	21	379	24	267	1,370,214	(136,304)	1,234,601	11,105
Common stock issued	163,399	2	29	1	46	163,321		163,399
Offering costs	(4,689)					(4,689)		(4,689)
Distribution reinvestments	10,487		3		1	10,483		10,487
Amortization of restricted stock grants	38					38		38
Common stock repurchased	(6,108)		(2)		(1)	(6,105)		(6,108)
Net loss (allocated to redeemable non- controlling interest)	(10,455)						(10,316)	(10,316)	(139)
Distributions to non-controlling interests	(369)								(369)
Distributions declared on common stock (see Note 10)	(21,101)						(21,101)	(21,101)
Allocation to redeemable non- controlling interest	(213)					(213)		(213)
Balance at Sep. 30, 2020	1,376,695	23	409	25	313	1,533,049	(167,721)	1,366,098	10,597
Balance at Dec. 31, 2020	1,606,416	25	464	28	392	1,819,526	(224,198)	1,596,237	10,179
Common stock issued	611,874	2	141	18	121	611,592		611,874
Offering costs	(30,594)					(30,594)		(30,594)
Distribution reinvestments	14,101		4		2	14,095		14,101
Amortization of restricted stock grants	53					53		53
Common stock repurchased	(12,259)		(4)		(1)	(12,254)		(12,259)
Net loss (allocated to redeemable non- controlling interest)	(19,910)						(19,889)	(19,889)	(21)
Distributions to non-controlling interests	(304)								(304)
Distributions declared on common stock (see Note 10)	(30,509)						(30,509)	(30,509)
Allocation to redeemable non- controlling interest	(839)					(839)		(839)
Balance at Mar. 31, 2021	2,138,029	27	605	46	514	2,401,579	(274,596)	2,128,175	9,854
Balance at Dec. 31, 2020	1,606,416	25	464	28	392	1,819,526	(224,198)	1,596,237	10,179
Allocation to redeemable non- controlling interest	(5,556)
Balance at Sep. 30, 2021	4,854,375	40	1,216	188	1,148	5,378,498	(539,203)	4,841,887	12,488
Balance at Mar. 31, 2021	2,138,029	27	605	46	514	2,401,579	(274,596)	2,128,175	9,854
Common stock issued	1,368,383	6	297	45	274	1,367,761		1,368,383
Offering costs	(68,577)					(68,577)		(68,577)
Distribution reinvestments	17,749		5		3	17,741		17,749
Amortization of restricted stock grants	162					162		162
Common stock repurchased	(16,827)		(3)		(5)	(16,819)		(16,827)
Net loss (allocated to redeemable non- controlling interest)	(44,103)						(43,981)	(43,981)	(122)
Distributions to non-controlling interests	(246)								(246)
Distributions declared on common stock (see Note 10)	(45,219)						(45,219)	(45,219)
Allocation to redeemable non- controlling interest	(1,465)					(1,465)		(1,465)
Balance at Jun. 30, 2021	3,347,886	33	904	91	786	3,700,382	(363,796)	3,338,400	9,486
Common stock issued	1,747,984	7	308	97	360	1,747,212		1,747,984
Offering costs	(81,819)					(81,819)		(81,819)
Distribution reinvestments	26,523		6		5	26,512		26,523
Amortization of restricted stock grants	161					161		161
Common stock repurchased	(10,703)		(2)		(3)	(10,698)		(10,703)
Net loss (allocated to redeemable non- controlling interest)	(109,428)						(109,252)	(109,252)	(176)
Contributions from non-controlling interests	3,537								3,537
Distributions to non-controlling interests	(359)								(359)
Distributions declared on common stock (see Note 10)	(66,155)						(66,155)	(66,155)
Allocation to redeemable non- controlling interest	(3,252)					(3,252)		(3,252)
Balance at Sep. 30, 2021	$ 4,854,375	$ 40	$ 1,216	$ 188	$ 1,148	$ 5,378,498	$ (539,203)	$ 4,841,887	$ 12,488