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