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Other Non-Interest Income and Expense (Narrative) (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Other Income and Expenses [Abstract] |  |  |
Minimum percentage of the aggregate total net interest income and total non interest income required for amounts to be stated separately | 1.00% | 1.00% | 1.00%
Payment for services provided by related party | $ 545 | $ 257 | $ 551

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- Definition Minimum Percentage Of Aggregate Net Interest Income And Non Interest Income Required For Amounts To Be Stated Separately + References No definition available. + Details
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- Definition Costs of sales and operating expenses for the period incurred from transactions with related parties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
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