Organization and Offering Costs - Additional Information (Detail) - USD ($)	12 Months Ended		56 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016
Organization And Offering Costs [Line Items]
Offering costs paid by the Sponsor on behalf of the Company	$ 14,543,691	$ 7,822,366	$ 14,543,691
Reimbursement of offering costs incurred by Sponsor	6,721,325	4,383,644
Payment for reimbursement of offering costs incurred by Sponsor	7,125,070	3,941,076
TriLinc Global, LLC [Member]
Organization And Offering Costs [Line Items]
Offering costs paid by the Sponsor on behalf of the Company	14,307,400		14,307,400
Organization costs paid by the Sponsor on behalf of the Company	236,000		236,000
Reimbursement of offering costs incurred by Sponsor	4,540,000	2,945,300
Payment for reimbursement of offering costs incurred by Sponsor	6,721,325	$ 4,383,644
Reimbursement of organization costs incurred by Sponsor			14,543,691
Remaining balance of offering and organization costs due the Sponsor	$ 0		$ 0