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Income Taxes - Additional Information (Detail) - Perpetual Federal Savings Bank [Member] $ in Thousands	Dec. 31, 2021 USD ($)
Income Taxes [Line Items]
Operating loss carryforwards	$ 377,807
Deferred taxes business combination allocated to additional paid in capital	2,779,000
Unrecognized deferred taxes	$ 584,000

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- Definition

Deferred taxes business combination allocated to additional paid in capital.

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- Definition

Income Taxes [Line Items]

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
-URI http://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318

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-Publisher FASB
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