Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Perpetual Federal Savings Bank [Member]
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	$ 1,040,000
Peoples Federal Savings and Loan [Member]
Income Taxes [Line Items]
Operating loss carryforwards	2,638,002
Operating loss carryforward at acquisition	2,789,124
Deferred taxes business combination allocated to additional paid in capital	$ 2,174,000