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v3.21.1

Nature of Operations and Summary of Significant Accounting Policies (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) bankDivision component quarter operating_segment | Mar. 31, 2020 USD ($) | Dec. 31, 2020 USD ($)
Number of bank divisions | bankDivision | 16 |  |
Number of operating segments | operating_segment | 1 |  |
Federal reserve balance or cash on hand required | $ 0 |  |
Forecasting period used to determine ACL | quarter | 4 |  |
Number of components used in methodology in determining ACL | component | 2 |  |
Provision for loan and lease losses | $ 489,000 | $ 22,744,000 |
Provision for credit exposures | $ 441,000 | 3,559,000 |
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 | $ 13,695,000 | $ 14,458,000 |
Impairment losses on receivables related to contracts with customers | $ 0 |  | $ 0
Minimum |  |  |
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 |  |  |
Useful life of premises and equipment | 15 years |  |
Minimum | Furniture and Fixtures |  |  |
Useful life of premises and equipment | 3 years |  |
Maximum |  |  |
Period past due to consider loan as delinquent | 89 days |  |
Number of years for home equity loan origination term | 15 years |  |
Maximum | Building |  |  |
Useful life of premises and equipment | 40 years |  |
Maximum | Furniture and Fixtures |  |  |
Useful life of premises and equipment | 10 years |  |

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