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Fair Value - Summary of Quantitative Information about Level 3 Fair Value Measurements (Detail) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Disclosure Of Other Real Estate Owned Measured On Nonrecurring Vasis Valuation Techniques [Line Items] |  |
Impaired loans, net | $ 3,142 | $ 8,344
Selling Costs [Member] |  |
Disclosure Of Other Real Estate Owned Measured On Nonrecurring Vasis Valuation Techniques [Line Items] |  |
Valuation Technique |  | Discounted appraised value technique
Range | 7.00% | 7.00%
OREO | $ 195 | $ 157
Valuation Technique |  | Discounted appraised value technique
Unobservable Input | Selling Costs | Selling Costs
Selling Costs [Member] | Appraised Value Technique Member] |  |
Disclosure Of Other Real Estate Owned Measured On Nonrecurring Vasis Valuation Techniques [Line Items] |  |
Impaired loans, net | $ 661 | $ 8,108
Unobservable Input | Selling Costs | Selling Costs
Range |  | 7.00%
Selling Costs [Member] | Maximum [Member] | Appraised Value Technique Member] |  |
Disclosure Of Other Real Estate Owned Measured On Nonrecurring Vasis Valuation Techniques [Line Items] |  |
Range | 7.00% |
Selling Costs [Member] | Minimum [Member] | Appraised Value Technique Member] |  |
Disclosure Of Other Real Estate Owned Measured On Nonrecurring Vasis Valuation Techniques [Line Items] |  |
Range | 0.00% |
Discount Rate [Member] |  |
Disclosure Of Other Real Estate Owned Measured On Nonrecurring Vasis Valuation Techniques [Line Items] |  |
Valuation Technique |  | Discounted cash flows technique
Discount Rate [Member] | Appraised Value Technique Member] |  |
Disclosure Of Other Real Estate Owned Measured On Nonrecurring Vasis Valuation Techniques [Line Items] |  |
Valuation Technique | Discounted appraised value technique |
Discount Rate [Member] | Cash Flows Technique [Member] |  |
Disclosure Of Other Real Estate Owned Measured On Nonrecurring Vasis Valuation Techniques [Line Items] |  |
Impaired loans, net | $ 2,481 | $ 236
Valuation Technique | Discounted cash flows technique |
Unobservable Input | Discount Rate | Discount Rate
Discount Rate [Member] | Maximum [Member] | Cash Flows Technique [Member] |  |
Disclosure Of Other Real Estate Owned Measured On Nonrecurring Vasis Valuation Techniques [Line Items] |  |
Range | 11.00% | 7.00%
Discount Rate [Member] | Minimum [Member] | Cash Flows Technique [Member] |  |
Disclosure Of Other Real Estate Owned Measured On Nonrecurring Vasis Valuation Techniques [Line Items] |  |
Range | 4.00% | 4.00%

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