Consolidated Statements of Operations (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
INVESTMENT INCOME
Interest income	$ 3,351,246us-gaap_InvestmentIncomeInterest	$ 246,730us-gaap_InvestmentIncomeInterest
Interest from cash	20,622us-gaap_InterestRevenueExpenseNet
Total investment income	3,371,868	246,730
EXPENSES
Management fees	794,737us-gaap_ManagementFeeExpense	93,146us-gaap_ManagementFeeExpense
Incentive fees	544,147us-gaap_IncentiveFeeExpense	34,001us-gaap_IncentiveFeeExpense
Operating expenses	105,215us-gaap_OperatingCostsAndExpenses
Total expenses	1,444,099tgif_OperatingExpensesGross	127,147tgif_OperatingExpensesGross
Expense support payment from Sponsor	(792,968)tgif_NonReimbursableOperatingExpenses	(96,156)tgif_NonReimbursableOperatingExpenses
Net expenses	651,131us-gaap_OperatingExpenses	30,991us-gaap_OperatingExpenses
NET INVESTMENT INCOME	2,720,737us-gaap_InvestmentIncomeNet	215,739us-gaap_InvestmentIncomeNet
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS	$ 2,720,737	$ 215,739
NET INCOME PER UNITS - BASIC AND DILUTED	$ 0.69us-gaap_EarningsPerShareBasicAndDiluted	$ 0.47us-gaap_EarningsPerShareBasicAndDiluted
WEIGHTED AVERAGE UNITS OUTSTANDING - BASIC AND DILUTED	3,921,471.251	455,812.023

Non reimbursable operating expenses.

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Operating expenses gross.

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount of expense for incentive rights held by the managing member or general partner, of limited liability company (LLC) or limited partnership (LP).

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The increase (decrease) during the reporting period in the aggregate amount of assets used to generate operating income.

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Amount of interest revenue (income derived from investments in debt securities and on cash and cash equivalents) net of interest expense (cost of borrowed funds accounted for as interest).

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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Amount of expenses related to the managing member or general partner for management of the day-to-day business functions of the limited liability company (LLC) or limited partnership (LP).

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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