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Servicing - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Transfers And Servicing [Abstract] |  |
Loans serviced for others unpaid principal amount | $ 380,800 | $ 377,500
Capitalized service right assets included in other assets | 3,600 | 3,300
Fair market value of the capitalized servicing rights | $ 3,200 | $ 3,500
Prepayment rate | 21.70% | 24.10%
Discount yield | 1.97% | 2.38%
Valuation allowance | $ 414 |

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- Definition Capitalized service right assets included in other assets. + References No definition available. + Details
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- Definition Loans serviced for others unpaid principal amount. + References No definition available. + Details
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- Definition Amount of increase (decrease) in the amortized amount from a decrease (increase) in the valuation allowance applied to the servicing asset for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a)(5) -URI http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746 + Details
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- Definition Discount rate used to estimate the fair value of servicing assets and servicing liabilities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125521744&loc=d3e122596-111746 + Details
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- Definition Estimated rate of prepayments of principal on servicing assets and servicing liabilities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125521744&loc=d3e122596-111746 + Details
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