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Fair Value Measurements - Quantitative Information about Level 3 Fair Value Comments for Assets Measured at Fair Value on Non-Recurring Basis (Detail) - Fair Value, Inputs, Level 3 - Non-recurring Basis $ in Thousands | Jun. 30, 2020 USD ($) | Dec. 31, 2019 USD ($)
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 44,120 | $ 31,049
Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | 42,624 | 27,154
Consumer |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 1,208 |
Alternative Investment, Valuation Technique [Extensible List] | us-gaap:MarketApproachValuationTechniqueMember |
Minimum | Consumer |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | (0.013) |
Maximum | Consumer |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | 0.015 |
Weighted Average | Consumer |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | 0.006 |
Retail | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 1,355 |
Alternative Investment, Valuation Technique [Extensible List] | us-gaap:MarketApproachValuationTechniqueMember |
Retail | Minimum | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | (0.030) |
Retail | Maximum | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | (0.003) |
Retail | Weighted Average | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | (0.017) |
Other | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 15,441 | $ 13,926
Alternative Investment, Valuation Technique [Extensible List] | us-gaap:MarketApproachValuationTechniqueMember | us-gaap:MarketApproachValuationTechniqueMember
Other | Minimum | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | (0.018) |
Other | Maximum | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | 0.042 |
Other | Weighted Average | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | 0.018 |
Construction | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 23,067 | $ 13,228
Alternative Investment, Valuation Technique [Extensible List] | us-gaap:MarketApproachValuationTechniqueMember | us-gaap:MarketApproachValuationTechniqueMember
Construction | Minimum | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | (0.018) | (0.003)
Construction | Maximum | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | 0.043 | 0.043
Construction | Weighted Average | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | 0.021 | 0.021
Residential Property | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 2,761 |
Alternative Investment, Valuation Technique [Extensible List] | us-gaap:MarketApproachValuationTechniqueMember |
Residential Property | Minimum | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | (0.013) |
Residential Property | Maximum | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | 0.015 |
Residential Property | Weighted Average | Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | 0.006 |
Commercial term | Commercial and Industrial |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 288 |
Alternative Investment, Valuation Technique [Extensible List] | us-gaap:MarketApproachValuationTechniqueMember |
Commercial term | Minimum | Commercial and Industrial |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | (0.009) |
Commercial term | Maximum | Commercial and Industrial |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | 0.011 |
Commercial term | Weighted Average | Commercial and Industrial |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range | 0.001 |
Bank-Owned Premises |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value | $ 1,900 | $ 1,900
Alternative Investment, Valuation Technique [Extensible List] | us-gaap:MarketApproachValuationTechniqueMember | us-gaap:MarketApproachValuationTechniqueMember
Bank-Owned Premises | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range |  | (0.030)
Bank-Owned Premises | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range |  | 0.055
Bank-Owned Premises | Weighted Average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range |  | (0.002)
Commercial lines of credit | Commercial and Industrial |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair Value |  | $ 3,895
Alternative Investment, Valuation Technique [Extensible List] |  | us-gaap:MarketApproachValuationTechniqueMember
Commercial lines of credit | Minimum | Commercial and Industrial |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range |  | (0.008)
Commercial lines of credit | Maximum | Commercial and Industrial |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range |  | 0.042
Commercial lines of credit | Weighted Average | Commercial and Industrial |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Range |  | 0.018

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