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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings Per Share (Detail) - shares		9 Months Ended
	Jul. 16, 2020	Sep. 30, 2021	Dec. 31, 2020
Operations And Summary Of Significant Accounting Policies [Line Items]
Performance multiplier, maximum		200.00%
Performance multiplier, minimum		0.00%
Participating securities that share in losses (in shares)		0
Series A and Series B Convertible Preferred Stock
Operations And Summary Of Significant Accounting Policies [Line Items]
Aggregate common stock upon conversion (in shares)	43,750,000
Restricted Stock
Operations And Summary Of Significant Accounting Policies [Line Items]
Shares of unvested restricted stock outstanding (in shares)		952,971	1,038,006

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Operations and summary of significant accounting policies.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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