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Summary of Significant Accounting Policies - Additional Information (Details) | 9 Months Ended
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Jun. 30, 2021
Accounting Policies [Abstract] |
Ownership interest | 100.00%
Variable interest entity, similar entity aggregation, description | Company records noncontrolling interest for entities which the Company has determined itself to be the primarily beneficiary of the variable interest entity but does not have 100% ownership.

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- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685 + Details
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- Definition Describes how the entity aggregates Variable Interest Entities (VIE) for disclosure purposes, distinguishing between (a) VIEs that are not consolidated because the enterprise is not the primary beneficiary but has a variable interest and (b) VIEs that are consolidated. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6228884-111685 + Details
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