Consolidated Statements of Equity and Temporary Equity (Unaudited) - USD ($)	Total	Common Stock Class A Common Stock	Common Stock Class P Common Stock	Common Stock Class T Common Stock	Common Stock Class W Common Stock	Additional Paid-in Capital	Distributions	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Total Strategic Storage Trust VI, Inc. Equity	Noncontrolling Interests in our Operating Partnership	Redeemable Common Stock	Preferred Equity In Our Operating Partnership	Preferred Stock
Beginning Balance at Dec. 31, 2021	$ 40,539,534		$ 5,063			$ 40,737,265	$ (985,132)	$ (2,985,345)		$ 36,771,851	$ 3,767,683	$ 329,158
Beginning Balance (in shares) at Dec. 31, 2021			5,062,804
Gross proceeds from issuance of common stock	52,609,661		$ 5,430			52,604,231				52,609,661
Gross proceeds from issuance of common stock (in shares)			5,430,060
Offering costs	(4,695,057)					(4,695,057)				(4,695,057)
Changes to redeemable common stock	(268,630)					(268,630)				(268,630)		268,630
Distributions	(892,243)						(892,243)			(892,243)
Distributions to noncontrolling interests	(67,840)										(67,840)
Issuance of shares for distribution reinvestment plan	268,630		$ 29			268,601				268,630
Issuance of shares for distribution reinvestment plan (in shares)			28,737
Net loss attributable to Strategic Storage Trust VI, Inc.	(1,650,132)							(1,650,132)		(1,650,132)
Net loss attributable to the noncontrolling interests in our Operating Partnership	(133,834)										(133,834)
Ending Balance at Mar. 31, 2022	85,710,089		$ 10,522			88,646,410	(1,877,375)	(4,635,477)		82,144,080	3,566,009	597,788
Ending Balance (in shares) at Mar. 31, 2022			10,521,601
Beginning Balance at Dec. 31, 2021	40,539,534		$ 5,063			40,737,265	(985,132)	(2,985,345)		36,771,851	3,767,683	329,158
Beginning Balance (in shares) at Dec. 31, 2021			5,062,804
Issuance of shares for distribution reinvestment plan	1,661,899
Net loss attributable to Strategic Storage Trust VI, Inc.	(9,476,990)
Net loss attributable to the noncontrolling interests in our Operating Partnership	(483,605)
Ending Balance at Sep. 30, 2022	106,589,843	$ 1,214	$ 10,769	$ 2,195	$ 166	121,796,301	(5,494,534)	(12,462,335)	$ (302,809)	103,550,967	3,038,876	1,991,057
Ending Balance (in shares) at Sep. 30, 2022		1,214,343	10,769,098	2,195,200	165,849
Beginning Balance at Mar. 31, 2022	85,710,089		$ 10,522			88,646,410	(1,877,375)	(4,635,477)		82,144,080	3,566,009	597,788
Beginning Balance (in shares) at Mar. 31, 2022			10,521,601
Gross proceeds from issuance of common stock	14,447,365	$ 572	$ 110	$ 668	$ 86	14,445,929				14,447,365
Gross proceeds from issuance of common stock (in shares)		572,182	109,890	668,360	86,436
Offering costs	(1,612,400)					(1,612,400)				(1,612,400)
Changes to redeemable common stock	(621,019)					(621,019)				(621,019)		621,019
Distributions	(1,636,351)						(1,636,351)			(1,636,351)
Distributions to noncontrolling interests	(82,307)										(82,307)
Issuance of shares for distribution reinvestment plan	621,019	$ 1	$ 65		$ 1	620,952				621,019
Issuance of shares for distribution reinvestment plan (in shares)		196	65,036	46	86
Issuance of restricted stock	1									1
Issuance of restricted stock (in shares)		1,250
Stock based compensation expense	12,912					12,912				12,912
Net loss attributable to Strategic Storage Trust VI, Inc.	(3,380,622)							(3,380,622)		(3,380,622)
Net loss attributable to the noncontrolling interests in our Operating Partnership	(169,197)										(169,197)
Ending Balance at Jun. 30, 2022	93,289,490	$ 574	$ 10,697	$ 668	$ 87	101,492,784	(3,513,726)	(8,016,099)		89,974,985	3,314,505	1,218,807
Ending Balance (in shares) at Jun. 30, 2022		573,628	10,696,527	668,406	86,522
Gross proceeds from issuance of common stock	22,519,112	$ 638		$ 1,522	$ 78	22,516,874				22,519,112
Gross proceeds from issuance of common stock (in shares)		637,805		1,521,783	78,617
Offering costs	(2,225,809)					2,225,809				2,225,809
Reimbursement of offering cost by Advisor	7,690					7,690				7,690
Changes to redeemable common stock	(772,250)					(772,250)				(772,250)		772,250
Distributions	(1,980,808)						(1,980,808)			1,980,808
Distributions to noncontrolling interests	(83,211)										83,211
Issuance of shares for distribution reinvestment plan	772,250	$ 2	$ 72	$ 5	$ 1	772,170				772,250
Issuance of shares for distribution reinvestment plan (in shares)		2,910	72,571	5,011	710
Stock based compensation expense	4,842					4,842				4,842
Net loss attributable to Strategic Storage Trust VI, Inc.	(4,446,236)							(4,446,236)		(4,446,236)
Net loss attributable to the noncontrolling interests in our Operating Partnership	(180,574)										(180,574)
Interest rate swap and cap contract gain (loss)	(19,085)								(18,367)	(18,367)	(718)
Foreign currency translation adjustment	(295,568)								(284,442)	(284,442)	(11,126)
Ending Balance at Sep. 30, 2022	106,589,843	$ 1,214	$ 10,769	$ 2,195	$ 166	121,796,301	(5,494,534)	(12,462,335)	(302,809)	103,550,967	3,038,876	1,991,057
Ending Balance (in shares) at Sep. 30, 2022		1,214,343	10,769,098	2,195,200	165,849
Beginning Balance at Dec. 31, 2022	113,061,270	$ 1,767	$ 10,842	$ 3,016	$ 248	134,820,961	(7,793,929)	(16,727,700)	(61,416)	110,253,789	2,807,481	2,873,848
Beginning Balance (in shares) at Dec. 31, 2022		1,766,539	10,841,745	3,015,798	248,369
Gross proceeds from issuance of common stock	11,097,130	$ 294		$ 674	$ 141	11,096,021				11,097,130
Gross proceeds from issuance of common stock (in shares)		294,558		673,565	140,638
Offering costs	(1,316,106)					(1,316,106)				(1,316,106)
Reimbursement of offering cost by Advisor	13,220					13,220				13,220
Changes to redeemable common stock	(974,931)					(974,931)				(974,931)		974,931
Distributions	(2,430,525)						(2,430,525)			(2,430,525)
Distributions to noncontrolling interests	(84,089)										(84,089)
Distributions to preferred unitholders in our Operating Partnership													$ 177,917
Issuance of shares for distribution reinvestment plan	974,931	$ 10	$ 73	$ 16	$ 2	974,830				974,931
Issuance of shares for distribution reinvestment plan (in shares)		10,180	73,145	16,868	2,123
Stock based compensation expense	4,842					4,842				4,842
Gross proceeds from issuance of preferred equity in our Operating Partnership													15,000,000
Preferred equity issuance costs													189,920
Accretion of preferred equity issuance costs													15,848
Net loss attributable to Strategic Storage Trust VI, Inc.	(6,420,140)							(6,420,140)		(6,420,140)			177,917
Net loss attributable to the noncontrolling interests in our Operating Partnership	(208,425)										(208,425)
Interest rate swap and cap contract gain (loss)	(158,353)								(153,361)	(153,361)	(4,992)
Foreign currency translation adjustment	(437,759)								(423,852)	(423,852)	(13,907)
Ending Balance at Mar. 31, 2023	113,121,065	$ 2,071	$ 10,915	$ 3,706	$ 391	144,618,837	(10,224,454)	(23,147,840)	(638,629)	110,624,997	2,496,068	3,848,779	14,825,928
Ending Balance (in shares) at Mar. 31, 2023		2,071,277	10,914,890	3,706,231	391,130
Beginning Balance at Dec. 31, 2022	113,061,270	$ 1,767	$ 10,842	$ 3,016	$ 248	134,820,961	(7,793,929)	(16,727,700)	(61,416)	110,253,789	2,807,481	2,873,848
Beginning Balance (in shares) at Dec. 31, 2022		1,766,539	10,841,745	3,015,798	248,369
Distributions to preferred unitholders in our Operating Partnership	(5,218,750)
Issuance of shares for distribution reinvestment plan	3,195,069
Net loss attributable to Strategic Storage Trust VI, Inc.	(28,869,885)
Net loss attributable to the noncontrolling interests in our Operating Partnership	(723,552)
Ending Balance at Sep. 30, 2023	99,905,442	$ 2,555	$ 11,054	$ 4,675	$ 585	158,071,132	(15,613,209)	(45,597,585)	1,159,627	98,038,834	1,866,608	5,649,819		$ 148,599,723
Ending Balance (in shares) at Sep. 30, 2023		2,555,418	11,053,716	4,675,321	584,673
Beginning Balance at Mar. 31, 2023	113,121,065	$ 2,071	$ 10,915	$ 3,706	$ 391	144,618,837	(10,224,454)	(23,147,840)	(638,629)	110,624,997	2,496,068	3,848,779	14,825,928
Beginning Balance (in shares) at Mar. 31, 2023		2,071,277	10,914,890	3,706,231	391,130
Gross proceeds from issuance of common stock	8,792,803	$ 271		$ 482	$ 127	8,791,923				8,792,803
Gross proceeds from issuance of common stock (in shares)		270,715		481,581	126,596
Offering costs	(1,100,021)					(1,100,021)				(1,100,021)
Reimbursement of offering cost by Advisor	11,900					11,900				11,900
Changes to redeemable common stock	(1,078,951)					(1,078,951)				(1,078,951)		1,078,951
Redemption of common stock	(19)	$ (5)	$ (11)	$ (3)						(19)		(178,024)
Redemptions of common stock (in shares)		(4,990)	10,811	(3,400)
Distributions	(2,609,715)						(2,609,715)			2,609,715
Distributions to noncontrolling interests	(85,022)										(85,022)
Distributions to preferred unitholders in our Operating Partnership													(93,333)
Redemption of preferred equity in our Operating Partnership													(15,000,000)
Issuance of shares for distribution reinvestment plan	1,078,951	$ 12	$ 75	$ 22	$ 3	1,078,839				1,078,951
Issuance of shares for distribution reinvestment plan (in shares)		12,243	75,101	22,443	3,421
Issuance of restricted stock	11	$ 11								11
Issuance of restricted stock (in shares)		11,250
Stock based compensation expense	4,842					4,842				4,842
Accretion of preferred equity issuance costs													174,072
Distributions to preferred stockholders														(2,087,500)
Gross proceeds from issuance of preferred stock														150,000,000
Preferred stock issuance costs														(1,400,277)
Net loss attributable to Strategic Storage Trust VI, Inc.	(9,276,488)							(9,276,488)		(9,276,488)			$ 93,333	2,087,500
Net loss attributable to the noncontrolling interests in our Operating Partnership	(217,450)										(217,450)
Interest rate swap and cap contract gain (loss)	2,310,752								2,241,660	2,241,660	69,092
Foreign currency translation adjustment	750,705								728,426	728,426	22,279
Ending Balance at Jun. 30, 2023	111,703,363	$ 2,360	$ 10,979	$ 4,207	$ 521	152,327,369	(12,834,169)	(32,424,328)	2,331,457	109,418,396	2,284,967	4,749,706		148,599,723
Ending Balance (in shares) at Jun. 30, 2023		2,360,495	10,979,180	4,206,855	521,147
Gross proceeds from issuance of common stock	6,838,071	$ 180		$ 442	$ 60	6,837,389				6,838,071
Gross proceeds from issuance of common stock (in shares)		179,988		442,210	59,574
Offering costs	(1,107,426)					1,107,426				1,107,426
Reimbursement of offering cost by Advisor	5,850					5,850				5,850
Changes to redeemable common stock	(1,141,187)					(1,141,187)				(1,141,187)		1,141,187
Redemption of common stock												(241,074)
Distributions	(2,779,040)						(2,779,040)			2,779,040
Distributions to noncontrolling interests	(85,957)										85,957
Distributions to preferred unitholders in our Operating Partnership	(3,131,250)
Issuance of shares for distribution reinvestment plan	1,141,187	$ 15	$ 75	$ 26	$ 4	1,141,067				1,141,187
Issuance of shares for distribution reinvestment plan (in shares)		14,935	74,536	26,256	3,952
Stock based compensation expense	8,070					8,070				8,070
Distributions to preferred stockholders														(3,131,250)
Net loss attributable to Strategic Storage Trust VI, Inc.	(13,173,257)							(13,173,257)		(13,173,257)				3,131,250
Net loss attributable to the noncontrolling interests in our Operating Partnership	(297,677)										(297,677)
Interest rate swap and cap contract gain (loss)	814,477								791,343	791,343	23,134
Foreign currency translation adjustment	(2,021,032)								(1,963,173)	(1,963,173)	(57,859)
Ending Balance at Sep. 30, 2023	$ 99,905,442	$ 2,555	$ 11,054	$ 4,675	$ 585	$ 158,071,132	$ (15,613,209)	$ (45,597,585)	$ 1,159,627	$ 98,038,834	$ 1,866,608	$ 5,649,819		$ 148,599,723
Ending Balance (in shares) at Sep. 30, 2023		2,555,418	11,053,716	4,675,321	584,673