For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The amount of excise and sales taxes included in sales and revenues, which are then deducted as a cost of sales. Includes excise taxes, which are applied to specific types of transactions or items (such as gasoline or alcohol); and sales, use and value added taxes, which are applied to a broad class of revenue-producing transactions involving a wide range of goods and services.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Sep. 30, 2021
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 9,089		$ 2,836	$ 2,301
Excise tax	78	$ 100	0	$ 0
Wells Fargo Bank, N.A.
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash			$ 2,800
Deutsche Bank Trust Company Americas
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 9,100
Investment Owned, Cost \| Five Debt Securities, Non-Accrual Status \| Investment Type Concentration Risk
Restricted Cash and Cash Equivalents Items [Line Items]
Concentration risk	2.40%
Investment Owned, Cost \| Non-Accrual Status, Debt Securities \| Investment Type Concentration Risk
Restricted Cash and Cash Equivalents Items [Line Items]
Concentration risk			0.00%
Investment Owned, Fair Value \| Five Debt Securities, Non-Accrual Status \| Investment Type Concentration Risk
Restricted Cash and Cash Equivalents Items [Line Items]
Concentration risk	1.80%
Investment Owned, Fair Value \| Non-Accrual Status, Debt Securities \| Investment Type Concentration Risk
Restricted Cash and Cash Equivalents Items [Line Items]
Concentration risk			0.00%