Organization and Offering Costs - Additional Information (Detail) - USD ($)	6 Months Ended		98 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Dec. 31, 2019
Organization And Offering Costs [Line Items]
Offering costs paid by the Sponsor on behalf of the Company	$ 17,237,807		$ 17,237,807	$ 17,237,807
TriLinc Global, LLC [Member]
Organization And Offering Costs [Line Items]
Offering costs paid by the Sponsor on behalf of the Company	17,522,000		17,522,000
Organization costs paid by the Sponsor on behalf of the Company	236,000		236,000
Reimbursement of offering costs incurred by Sponsor	0	$ 51,600
Payment for reimbursement of offering costs incurred by Sponsor	0	0
Reimbursement of organization costs incurred by Sponsor			17,237,807
Remaining balance of offering and organization costs due to the Sponsor	520,600		$ 520,600
SC Distributors LLC [Member]
Organization And Offering Costs [Line Items]
Expenses related to distributions fees, dealer manager fees and service fees	$ 238,829	$ 260,390