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Short-Term Bank Borrowings (Details) - Mar. 31, 2023 ¥ in Thousands, $ in Thousands	USD ($)	CNY (¥)
Short-Term Bank Borrowings [Member]
Received fund	$ 141,000	¥ 1,000,000
Annual interest rate term	1 year	1 year
Prime rate plus, percentage	0.50%	0.50%
Industrial and Commercial Bank of China [Member]
Short-Term Bank Borrowings [Member]
Operating loan agreement terms	12 months	12 months

X

- Definition

Operating loan agreement terms.

+ References

No definition available.

+ Details

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Namespace Prefix:	orhl_
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Balance Type:	na
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X

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The initial funding or additional funding of loans receivable to policy holders principally secured by the benefits under the policy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

+ Details

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

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The portion of the carrying amount of short-term borrowings outstanding as of the balance sheet date, which accrues interest at a rate subject to change from time to time.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: