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Business and Summary of Significant Accounting Policies (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Jan. 01, 2020 | Dec. 31, 2017
Accounting Policy [Line Items] |  |  |  |  |
Equity Method Investment, Ownership Percentage | 100.00% |  |  |  |
Financing Receivable, Individually Evaluated for Impairment |  | $ 4,478,000 | $ 6,926,000 |  |
Goodwill impairment | $ 0 | 0 | 0 |  |
BOLI single carrier percentage of Tier I capital | 15.00% |  |  |  |
BOLI CSV percentage of Tier I Capital | 25.00% |  |  |  |
Number of Reporting Unit Levels | 1 |  |  |  |
Operating Lease, Right-of-Use Asset | $ 13,608,000 | 13,002,000 |  |  |
Operating lease liabilities | 11,845,000 | 13,059,000 |  |  |
Shareholders’ equity | 529,314,000 | 473,415,000 | 435,825,000 |  | $ 403,413,000
Financing Receivable, Allowance for Credit Losses | 37,865,000 | 25,171,000 | 24,712,000 |  | 24,171,000
Off-Balance Sheet, Credit Loss, Liability | 2,600,000 | 21,000 |  |  |
Deferred tax assets | 11,956,000 | 16,823,000 |  |  |
Other Real Estate | 236,000 | 94,000 |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 |  |  | $ 0 |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Accounting Policy [Line Items] |  |  |  |  |
Shareholders’ equity |  | (2,809,000) | 254,000 |  |
Financing Receivable, Allowance for Credit Losses |  | 233,000 |  |  |
Off-Balance Sheet, Credit Loss, Liability |  | 3,300,000 |  |  |
Deferred tax assets |  | 769,000 |  |  |
Minimum [Member] |  |  |  |  |
Accounting Policy [Line Items] |  |  |  |  |
Financing Receivable, Individually Evaluated for Impairment | 500,000 |  |  |  |
Retained Earnings |  |  |  |  |
Accounting Policy [Line Items] |  |  |  |  |
Shareholders’ equity | 377,502,000 | 340,580,000 | 302,030,000 |  | 266,723,000
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Accounting Policy [Line Items] |  |  |  |  |
Shareholders’ equity |  | (2,809,000) | 254,000 |  |
Retained Earnings | ASU 2016-01 | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Accounting Policy [Line Items] |  |  |  |  |
Shareholders’ equity |  |  |  |  | 198,000
AOCI |  |  |  |  |
Accounting Policy [Line Items] |  |  |  |  |
Shareholders’ equity | $ 20,740,000 | $ (6,268,000) | $ (24,420,000) |  | (20,214,000)
AOCI | ASU 2016-01 | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Accounting Policy [Line Items] |  |  |  |  |
Shareholders’ equity |  |  |  |  | $ (198,000)

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