Consolidated Statements of Changes in Equity (Unaudited) - USD ($)	Total	Additional Paid-In Capital [Member]	Retained Earnings/Accumulated Deficit and Cumulative Distributions [Member]	Noncontrolling Interest [Member]	Class AX [Member]	Class TX [Member]	Class IX [Member]	Class I [Member]	Class T [Member]	Class D [Member]	Class S [Member]
Beginning balance at Dec. 31, 2018	$ 79,944,718	$ 84,467,731	$ (4,737,537)	$ 179,950	$ 21,166	$ 9,392	$ 4,016
Beginning balance, shares at Dec. 31, 2018					2,116,562	939,185	401,639
Common stock	13,604,281	13,599,025			$ 2,636	$ 1,137	$ 1,483
Common stock, shares					263,629	113,727	148,278
Distribution reinvestment	468,426	468,239			$ 125	$ 46	$ 16
Distribution reinvestment, shares					12,509	4,570	1,573
Offering costs, commissions and fees	(643,788)	(643,788)
Net income (loss)	50,587		50,657	(70)
Distributions declared on common stock	(1,368,762)		(1,368,762)
Ending balance at Mar. 31, 2019	92,055,462	97,891,207	(6,055,642)	179,880	$ 23,927	$ 10,575	$ 5,515
Ending balance, shares at Mar. 31, 2019					2,392,700	1,057,482	551,490
Beginning balance at Dec. 31, 2018	79,944,718	84,467,731	(4,737,537)	179,950	$ 21,166	$ 9,392	$ 4,016
Beginning balance, shares at Dec. 31, 2018					2,116,562	939,185	401,639
Common stock repurchased	$ (1,197,706)
Common stock repurchased, shares	(48,451)
Ending balance at Dec. 31, 2019	$ 128,056,849	135,507,823	(10,543,287)	3,038,918	$ 31,580	$ 13,278	$ 8,537
Ending balance, shares at Dec. 31, 2019					3,158,796	1,327,819	853,734	0	0	0	0
Beginning balance at Mar. 31, 2019	92,055,462	97,891,207	(6,055,642)	179,880	$ 23,927	$ 10,575	$ 5,515
Beginning balance, shares at Mar. 31, 2019					2,392,700	1,057,482	551,490
Common stock	12,364,156	12,359,412			$ 2,745	$ 884	$ 1,115
Common stock, shares					274,447	88,364	111,436
Common stock repurchased	(542,881)	(542,663)			$ (188)	$ (30)
Common stock repurchased, shares					(18,774)	(3,037)
Distribution reinvestment	533,267	533,057			$ 140	$ 50	$ 20
Distribution reinvestment, shares					14,013	5,038	2,059
Offering costs, commissions and fees	(598,424)	(598,424)
Net income (loss)	197,082		197,082
Distributions declared on common stock	(1,582,417)		(1,582,417)
Acquired non-controlling interests	4,557,816	4,476,918		80,898
Ending balance at Jun. 30, 2019	106,984,061	114,119,507	(7,440,977)	260,778	$ 26,624	$ 11,479	$ 6,650
Ending balance, shares at Jun. 30, 2019					2,662,386	1,147,847	664,985
Common stock	11,097,028	11,092,723			$ 2,665	$ 699	$ 941
Common stock, shares					266,476	69,963	94,181
Common stock repurchased	(213,640)	(213,553)			$ (87)
Common stock repurchased, shares					(8,651)
Distribution reinvestment	584,994	584,762			$ 151	$ 57	$ 24
Distribution reinvestment, shares					15,130	5,721	2,375
Offering costs, commissions and fees	(380,998)	(380,998)
Net income (loss)	206,520		202,881	3,639
Distributions declared on common stock	(1,767,313)		(1,767,313)
Acquired non-controlling interests	2,903,661			2,903,661
Ending balance at Sep. 30, 2019	119,414,313	125,202,441	(9,005,409)	3,168,078	$ 29,353	$ 12,235	$ 7,615
Ending balance, shares at Sep. 30, 2019					2,935,341	1,223,531	761,541
Beginning balance at Dec. 31, 2019	128,056,849	135,507,823	(10,543,287)	3,038,918	$ 31,580	$ 13,278	$ 8,537
Beginning balance, shares at Dec. 31, 2019					3,158,796	1,327,819	853,734	0	0	0	0
Common stock	11,039,819	11,035,494			$ 1,512	$ 662	$ 2,151
Common stock, shares					150,441	66,220	215,102
Common stock repurchased	(620,659)	(620,406)			$ (173)	$ (80)
Common stock repurchased, shares					(17,256)	(8,028)
Distribution reinvestment	711,406	711,122			$ 179	$ 67	$ 38
Distribution reinvestment, shares					17,854	6,722	3,808
Offering costs, commissions and fees	(381,233)	(381,233)
Net income (loss)	502,076		500,845	1,231
Distributions declared on common stock	(2,058,381)		(2,058,381)
Acquired non-controlling interests	(16,500)			(16,500)
Ending balance at Mar. 31, 2020	137,233,377	146,252,800	(12,100,823)	3,023,649	$ 33,098	$ 13,927	$ 10,726
Ending balance, shares at Mar. 31, 2020					3,309,835	1,392,733	1,072,644
Beginning balance at Dec. 31, 2019	128,056,849	135,507,823	(10,543,287)	3,038,918	$ 31,580	$ 13,278	$ 8,537
Beginning balance, shares at Dec. 31, 2019					3,158,796	1,327,819	853,734	0	0	0	0
Common stock repurchased	$ (3,527,804)
Common stock repurchased, shares	(149,639)
Ending balance at Sep. 30, 2020	$ 143,511,696	156,236,709	(15,772,727)	2,985,797	$ 34,779	$ 14,827	$ 12,133	$ 137	$ 41
Ending balance, shares at Sep. 30, 2020					3,477,940	1,482,663	1,213,296	13,736	4,083	0	0
Beginning balance at Mar. 31, 2020	137,233,377	146,252,800	(12,100,823)	3,023,649	$ 33,098	$ 13,927	$ 10,726
Beginning balance, shares at Mar. 31, 2020					3,309,835	1,392,733	1,072,644
Common stock	7,116,579	7,113,748			$ 1,447	$ 492	$ 892
Common stock, shares					144,689	49,180	89,113
Common stock repurchased	(2,022,211)	(2,021,342)			$ (625)	$ (85)	$ (159)
Common stock repurchased, shares					(62,524)	(8,544)	(15,887)
Distribution reinvestment	786,258	785,939			$ 188	$ 74	$ 57
Distribution reinvestment, shares					18,823	7,391	5,723
Offering costs, commissions and fees	(288,354)	(288,354)
Net income (loss)	386,209		404,187	(17,978)
Distributions declared on common stock	(2,209,823)		(2,209,823)
Acquired non-controlling interests	(27,500)			(27,500)
Ending balance at Jun. 30, 2020	140,974,535	151,842,791	(13,906,459)	2,978,171	$ 34,108	$ 14,408	$ 11,516
Ending balance, shares at Jun. 30, 2020					3,410,823	1,440,760	1,151,593
Common stock	4,621,878	4,619,970			$ 793	$ 356	$ 581	$ 137	$ 41
Common stock, shares					79,333	35,693	58,024	13,736	4,083
Common stock repurchased	$ (884,934)	(884,560)			$ (325)	$ (19)	$ (30)
Common stock repurchased, shares	(37,400)				(32,490)	(1,941)	(2,969)
Distribution reinvestment	$ 831,689	831,338			$ 203	$ 82	$ 66
Distribution reinvestment, shares					20,274	8,151	6,648
Offering costs, commissions and fees	(172,830)	(172,830)
Net income (loss)	465,495		457,869	7,626
Distributions declared on common stock	(2,324,137)		(2,324,137)
Ending balance at Sep. 30, 2020	$ 143,511,696	$ 156,236,709	$ (15,772,727)	$ 2,985,797	$ 34,779	$ 14,827	$ 12,133	$ 137	$ 41
Ending balance, shares at Sep. 30, 2020					3,477,940	1,482,663	1,213,296	13,736	4,083	0	0