Securities - Carrying Amount of Company Investments in Non Marketable Equity Securities with No Readily Determinable Fair Value and Amounts Recognized in Earnings (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Investments Debt And Equity Securities [Abstract]
Carrying value	$ 64,728	$ 32,527
Cumulative Adjustments Carrying value adjustments :
Cumulative Adjustments Upward changes for observable prices	48,469
Cumulative Adjustments Downward changes for observable prices	(86)
Net upward change	$ 48,383

Equity securities without readily determinable fair value net upward change cumulative amount .

No definition available.

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

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- Definition

Amount of cumulative loss from downward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

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- References

No definition available.

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- Definition

Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

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- References

No definition available.

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