Name:	sar_IncomeTaxesDetailsLineItems
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The amount is long-term capital loss.

No definition available.

Name:	sar_LongtermCapitalLoss
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Balance Type:	debit
Period Type:	duration

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit).

No definition available.

Name:	sar_OwnedPercentage
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Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of capital gains.

No definition available.

Name:	sar_PercentageOfCapitalGains
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Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of investment of taxable income.

No definition available.

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Data Type:	dtr:percentItemType
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Period Type:	duration

Percentage of ordinary income.

No definition available.

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Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

The amount is short-term capital loss.

No definition available.

Name:	sar_ShorttermCapitalLoss
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Balance Type:	debit
Period Type:	duration

Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
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-Name Accounting Standards Codification
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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Name:	us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
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Data Type:	dtr-types:percentItemType
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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Name Accounting Standards Codification
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Data Type:	dtr-types:percentItemType
Balance Type:	na
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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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of current and deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current and deferred national tax expense (benefit) for non-US (United States of America) jurisdiction.

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Name:	us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Data Type:	xbrli:monetaryItemType
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This element represents the net excess or deficiency of the fair value of an investment (security, contract) over or under its cost (face amount, notional amount), respectively, which excess value or deficiency has not been recognized in earnings of the entity.

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Balance Type:	debit
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The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

No definition available.

Name:	us-gaap_OtherOperatingIncomeExpenseNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The cash inflow associated with security instrument that either represents a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes proceeds from (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

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Name:	us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of current and deferred state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current and deferred regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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Name:	us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The aggregate cost of investments for Federal income tax purposes.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(h)(2)(iv))
-URI https://asc.fasb.org/extlink&oid=126898976&loc=d3e600178-122990

Name:	us-gaap_TaxBasisOfInvestmentsCostForIncomeTaxPurposes
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The net unrealized appreciation or depreciation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(h)(2)(iii))
-URI https://asc.fasb.org/extlink&oid=126898976&loc=d3e600178-122990

Name:	us-gaap_TaxBasisOfInvestmentsUnrealizedAppreciationDepreciationNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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