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v3.21.2

Nature of Operations and Summary of Significant Accounting Policies (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 USD ($) bankDivision | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) component operatingSegment bankDivision quarter | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Property, Plant and Equipment |  |  |  |  |
Number of bank divisions | bankDivision | 16 |  | 16 |  |
Number of operating segments | operatingSegment |  |  | 1 |  |
Federal reserve balance or cash on hand required | $ 0 |  | $ 0 |  |
Forecasting period used to determine ACL | quarter |  |  | 4 |  |
Number of components used in methodology in determining ACL | component |  |  | 2 |  |
Provision for credit loss loans | 2,313,000 | $ 2,869,000 | $ (2,921,000) | $ 39,165,000 |
Provision for credit losses unfunded | (1,588,000) | 2,317,000 | (1,959,000) | 2,135,000 |
Provision for credit losses | 725,000 | 5,186,000 | (4,880,000) | 41,300,000 |
Provision for credit losses on debt securities | 0 | $ 0 | $ 0 | 0 |
Maximum term leases will be considered short-term |  |  | 12 months |  |
Maximum period up to which purchase price of business is allocated to assets acquired and liabilities assumed |  |  | 1 year |  |
Revenue from contracts with customers |  |  | $ 45,789,000 | $ 40,184,000 |
Impairment losses on receivables related to contracts with customers | $ 0 |  | $ 0 |  | $ 0
Minimum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Period past due to consider loan as delinquent |  |  | 30 days |  |
Period past due to consider loan as non accrual |  |  | 90 days |  |
Period past due to consider loan as purchased credit-deteriorated loan |  |  | 90 days |  |
Number of days delinquent to charge off loans |  |  | 120 days |  |
Number of years for home equity loan origination term |  |  | 10 years |  |
Minimum | Building |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life of premises and equipment |  |  | 15 years |  |
Minimum | Furniture and Fixtures |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life of premises and equipment |  |  | 3 years |  |
Maximum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Period past due to consider loan as delinquent |  |  | 89 days |  |
Number of years for home equity loan origination term |  |  | 15 years |  |
Maximum | Building |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life of premises and equipment |  |  | 40 years |  |
Maximum | Furniture and Fixtures |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life of premises and equipment |  |  | 10 years |  |

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