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Investments, at Fair Value - Amortized Cost vs Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis	$ 2,685	$ 66,998
Gross Unrealized Gains	1,502	18,780
Gross Unrealized Losses	(1,060)	(8,880)
Fair Value	3,127	76,898
Corporate debt securities (L Bonds)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis		64,313
Gross Unrealized Gains		17,433
Gross Unrealized Losses		(7,924)
Fair Value		73,822
Other debt securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis	2,685	2,685
Gross Unrealized Gains	1,502	1,347
Gross Unrealized Losses	(1,060)	(956)
Fair Value	$ 3,127	$ 3,076

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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-Name Accounting Standards Codification
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+ References

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
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-Paragraph 1
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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