Consolidated Statements of Equity and Temporary Equity (Unaudited) - USD ($)	Total	Common Stock Class P Common Stock	Common Stock Class A Common Stock	Common Stock Class T Common Stock	Common Stock Class W Common Stock	Common Stock Class Y Common Stock	Common Stock Class Z Common Stock	Additional Paid-in Capital	Distributions	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Total Strategic Storage Trust VI, Inc. Equity	Noncontrolling Interests Noncontrolling Interests in our Operating Partnership	Series C Subordinated Units Noncontrolling Interests in our Operating Partnership	Redeemable Common Stock	Preferred Equity In Our Operating Partnership	Preferred Stock
Beginning Balance at Dec. 31, 2022	$ 113,061,270	$ 10,842	$ 1,767	$ 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		10,841,745	1,766,539	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 (DRP) (in shares)		73,145	10,180	16,868	2,123
Issuance of shares for distribution reinvestment plan (DRP)	974,931	$ 73	$ 10	$ 16	$ 2			974,830				974,931
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 hedge contracts	(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	$ 10,915	$ 2,071	$ 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		10,914,890	2,071,277	3,706,231	391,130
Beginning Balance at Dec. 31, 2022	113,061,270	$ 10,842	$ 1,767	$ 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		10,841,745	1,766,539	3,015,798	248,369
Distributions to preferred unitholders in our Operating Partnership	(5,218,750)
Issuance of shares for distribution reinvestment plan (DRP)	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	$ 11,054	$ 2,555	$ 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		11,053,716	2,555,418	4,675,321	584,673
Beginning Balance at Mar. 31, 2023	113,121,065	$ 10,915	$ 2,071	$ 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		10,914,890	2,071,277	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)	$ (11)	$ (5)	$ (3)								(19)			(178,024)
Redemptions of common stock (in shares)		(10,811)	(4,990)	(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 (DRP) (in shares)		75,101	12,243	22,443	3,421
Issuance of shares for distribution reinvestment plan (DRP)	1,078,951	$ 75	$ 12	$ 22	$ 3			1,078,839				1,078,951
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	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	$ 10,979	$ 2,360	$ 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		10,979,180	2,360,495	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 (DRP) (in shares)		74,536	14,935	26,256	3,952
Issuance of shares for distribution reinvestment plan (DRP)	1,141,187	$ 75	$ 15	$ 26	$ 4			1,141,067				1,141,187
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	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	$ 11,054	$ 2,555	$ 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		11,053,716	2,555,418	4,675,321	584,673
Beginning Balance at Dec. 31, 2023	97,082,934	$ 11,100	$ 3,340	$ 5,290	$ 688	$ 383	$ 37	174,586,716	(18,590,483)	(64,094,793)	449,185	92,371,463	1,514,388	$ 3,197,083	6,727,982		148,599,723
Beginning Balance (in shares) at Dec. 31, 2023		11,100,444	3,339,780	5,289,743	687,653	382,656	36,559
Gross proceeds from issuance of common stock	10,586,193					$ 1,054	$ 84	10,585,055				10,586,193
Gross proceeds from issuance of common stock (in shares)						1,054,322	83,978
Offering costs	(1,258,498)							(1,258,498)				(1,258,498)
Changes to redeemable common stock	(1,303,340)							(1,303,340)				(1,303,340)			1,303,340
Redemption of common stock	(13)	$ (5)		$ (8)								(13)			(784,542)
Redemptions of common stock (in shares)		(5,494)		(8,217)
Distributions	(3,161,870)								(3,161,870)			(3,161,870)
Distributions to noncontrolling interests	(84,790)												(84,790)
Issuance of shares for distribution reinvestment plan (DRP) (in shares)		74,503	22,403	33,026	4,978	4,810	412
Issuance of shares for distribution reinvestment plan (DRP)	1,303,340	$ 74	$ 22	$ 33	$ 5	$ 5		1,303,201				1,303,340
Stock based compensation expense	8,070							8,070				8,070
Issuance of Series C Subordinated Units	359,926													359,926
Distributions to preferred stockholders																	(3,166,042)
Net loss attributable to Strategic Storage Trust VI, Inc.	(11,923,621)									(11,923,621)		(11,923,621)					3,166,042
Net loss attributable to the noncontrolling interests in our Operating Partnership	(225,373)												(225,373)
Interest rate hedge contracts	777,342										758,374	758,374	18,968
Foreign currency translation adjustment	(1,550,882)										(1,511,559)	(1,511,559)	(39,323)
Foreign currency hedge contract	(21,170)										(20,652)	(20,652)	(518)
Ending Balance at Mar. 31, 2024	90,588,248	$ 11,169	$ 3,362	$ 5,315	$ 693	$ 1,442	$ 121	183,921,204	(21,752,353)	(76,018,414)	(324,652)	85,847,887	1,183,352	3,557,009	7,246,780		148,599,723
Ending Balance (in shares) at Mar. 31, 2024		11,169,453	3,362,183	5,314,552	692,631	1,441,788	120,949
Beginning Balance at Dec. 31, 2023	97,082,934	$ 11,100	$ 3,340	$ 5,290	$ 688	$ 383	$ 37	174,586,716	(18,590,483)	(64,094,793)	449,185	92,371,463	1,514,388	3,197,083	6,727,982		148,599,723
Beginning Balance (in shares) at Dec. 31, 2023		11,100,444	3,339,780	5,289,743	687,653	382,656	36,559
Distributions to preferred unitholders in our Operating Partnership	(9,399,516)
Issuance of shares for distribution reinvestment plan (DRP)	4,194,003
Net loss attributable to Strategic Storage Trust VI, Inc.	(34,252,264)
Net loss attributable to the noncontrolling interests in our Operating Partnership	(609,423)
Foreign currency hedge contract	(310,063)
Ending Balance at Sep. 30, 2024	74,602,779	$ 11,244	$ 3,373	$ 5,357	$ 703	$ 3,169	$ 245	199,218,090	(28,532,043)	(98,350,275)	(2,460,809)	69,899,054	577,703	4,126,022	9,232,198		148,599,723
Ending Balance (in shares) at Sep. 30, 2024		11,244,156	3,373,014	5,357,014	702,574	3,168,958	245,414
Beginning Balance at Mar. 31, 2024	90,588,248	$ 11,169	$ 3,362	$ 5,315	$ 693	$ 1,442	$ 121	183,921,204	(21,752,353)	(76,018,414)	(324,652)	85,847,887	1,183,352	3,557,009	7,246,780		148,599,723
Beginning Balance (in shares) at Mar. 31, 2024		11,169,453	3,362,183	5,314,552	692,631	1,441,788	120,949
Gross proceeds from issuance of common stock	8,296,378					$ 856	$ 36	8,295,486				8,296,378
Gross proceeds from issuance of common stock (in shares)						856,277	35,806
Offering costs	(984,775)							(984,775)				(984,775)
Changes to redeemable common stock	(1,410,065)							(1,410,065)				(1,410,065)			1,410,065
Redemption of common stock	(91)	$ (69)	$ (7)	$ (15)								(91)			(390,986)
Redemptions of common stock (in shares)		(69,075)	(7,252)	(14,702)
Distributions	(3,303,089)								(3,303,089)			(3,303,089)
Distributions to noncontrolling interests	(84,791)												(84,791)
Issuance of shares for distribution reinvestment plan (DRP) (in shares)		76,121	22,911	33,433	5,082	13,237	835
Issuance of shares for distribution reinvestment plan (DRP)	1,410,065	$ 76	$ 23	$ 33	$ 5	$ 13	$ 1	1,409,914				1,410,065
Issuance of restricted stock	5		$ 5									5
Issuance of restricted stock (in shares)			5,000
Stock based compensation expense	8,070							8,070				8,070
Distribution of common stock (in shares)			346
Distribution of common stock								3,219		(3,219)
Issuance of Series C Subordinated Units	277,316													277,316
Distributions to preferred stockholders																	(3,085,113)
Net loss attributable to Strategic Storage Trust VI, Inc.	(11,384,943)									(11,384,943)		(11,384,943)					3,085,113
Net loss attributable to the noncontrolling interests in our Operating Partnership	(202,777)												(202,777)
Interest rate hedge contracts	(247,881)										(242,024)	(242,024)	(5,857)
Foreign currency translation adjustment	(649,607)										(634,019)	(634,019)	(15,588)
Foreign currency hedge contract	9,257										9,039	9,039	218
Ending Balance at Jun. 30, 2024	82,321,320	$ 11,176	$ 3,383	$ 5,333	$ 698	$ 2,311	$ 158	191,243,053	(25,055,442)	(87,406,576)	(1,191,656)	77,612,438	874,557	3,834,325	8,265,859		148,599,723
Ending Balance (in shares) at Jun. 30, 2024		11,176,499	3,383,188	5,333,283	697,713	2,311,302	157,590
Gross proceeds from issuance of common stock	8,935,056					$ 838	$ 86	8,934,132				8,935,056
Gross proceeds from issuance of common stock (in shares)						837,836	86,933
Offering costs	(969,920)							(969,920)				(969,920)
Changes to redeemable common stock	(1,480,597)							(1,480,597)				(1,480,597)			1,480,597
Redemption of common stock	(44)	$ (5)	$ (32)	$ (7)								(44)			(514,258)
Redemptions of common stock (in shares)		(5,128)	(32,258)	(7,477)
Distributions	(3,476,601)								(3,476,601)			(3,476,601)
Distributions to noncontrolling interests	(85,722)												(85,722)
Distributions to preferred unitholders in our Operating Partnership	(3,148,361)
Issuance of shares for distribution reinvestment plan (DRP) (in shares)		72,785	22,084	31,208	4,861	19,820	891
Issuance of shares for distribution reinvestment plan (DRP)	1,480,597	$ 73	$ 22	$ 31	$ 5	$ 20	$ 1	1,480,445				1,480,597
Stock based compensation expense	10,977							10,977				10,977
Issuance of Series C Subordinated Units	291,697													291,697
Distributions to preferred stockholders																	(3,148,361)
Net loss attributable to Strategic Storage Trust VI, Inc.	(10,943,699)									(10,943,699)		(10,943,699)					3,148,361
Net loss attributable to the noncontrolling interests in our Operating Partnership	(181,273)												(181,273)
Interest rate hedge contracts	(1,668,164)										(1,630,605)	(1,630,605)	(37,559)
Foreign currency translation adjustment	691,127										675,551	675,551	15,576
Foreign currency hedge contract	(321,975)										(314,099)	(314,099)	(7,876)
Ending Balance at Sep. 30, 2024	$ 74,602,779	$ 11,244	$ 3,373	$ 5,357	$ 703	$ 3,169	$ 245	$ 199,218,090	$ (28,532,043)	$ (98,350,275)	$ (2,460,809)	$ 69,899,054	$ 577,703	$ 4,126,022	$ 9,232,198		$ 148,599,723
Ending Balance (in shares) at Sep. 30, 2024		11,244,156	3,373,014	5,357,014	702,574	3,168,958	245,414