XML 104 R91.htm IDEA: XBRL DOCUMENT v3.23.2

Leases - Additional Information (Detail)	12 Months Ended
	Mar. 31, 2023
Schedule of Operating Leases [Line Items]
Lease receivable of net investment expiration period	26 years
Remaining expiration period	58 years

X

- Definition

Lease receivable of net investment expiration period.

+ References

No definition available.

+ Details

Name:	ck0001070304_LeaseReceivableOfNetInvestmentExpirationPeriod
Namespace Prefix:	ck0001070304_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Remaining expiration period.

+ References

No definition available.

+ Details

Name:	ck0001070304_RemainingExpirationPeriod
Namespace Prefix:	ck0001070304_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Schedule of Operating Leases [Line Items]

+ References

No definition available.

+ Details

Name:	ck0001070304_ScheduleOfOperatingLeasesLineItems
Namespace Prefix:	ck0001070304_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration