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Shareholders' Equity (Narrative) (Details) |  |  |  | 11 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 27, 2020 shares | Oct. 01, 2019 shares | Aug. 16, 2019 shares | Dec. 31, 2020 USD ($) plan shares | Dec. 31, 2020 USD ($) plan shares | Dec. 31, 2019 USD ($) installment shares | Dec. 31, 2018 USD ($) shares
Minimum capital conservation buffer |  |  |  | 0.025 | 0.025 |  |
Number of equity incentive plans | plan |  |  |  | 2 | 2 |  |
Stock compensation expense |  |  |  |  | $ 995,000 | $ 639,000 | $ 718,000
Stock compensation expense not recorded |  |  |  | $ 0 | 0 | 0 | 0
Unrecognized expense related to restricted stock and cash entitlements |  |  |  | $ 2,046,000 | 2,046,000 | 2,022,000 | 2,172,000
Stock compensation expense, net of tax |  |  |  |  | $ 1,515,000 | $ 1,427,000 | $ 1,531,000
Common Stock | 2001 Purchase Plan |  |  |  |  |  |  |
Common stock, authorized shares repurchase (in shares) | shares | 409,184 |  |  |  |  |  |
Common Stock | 2020 Purchase Plan |  |  |  |  |  |  |
Common stock, authorized shares repurchase (in shares) | shares | 1,000,000 |  |  |  |  |  |
Common stock, percentage of Company's outstanding shares authorized for repurchase | 4.00% |  |  |  |  |  |
Common stock, shares repurchased (in shares) | shares |  |  |  | 221,912 |  |  |
Stock Options |  |  |  |  |  |  |
Stock option expiration period |  |  |  |  | 10 years |  |
Number of options granted (in shares) | shares |  |  |  |  | 0 | 0 | 0
Stock compensation expense |  |  |  |  | $ 0 | $ 0 | $ 0
Nonqualified Stock Options |  |  |  |  |  |  |
Stock option expiration period |  |  |  |  | 20 years |  |
Restricted Stock |  |  |  |  |  |  |
Restricted stock as a percent of grant |  |  |  |  | 66.67% | 60.00% |
Cash credit entitlements as a percent of grant |  |  |  |  | 33.33% | 40.00% |
Number of installments | installment |  |  |  |  |  | 3 |
Restricted Stock | Year One |  |  |  |  |  |  |
Percentage vested |  |  |  |  | 100.00% | 33.30% |
Restricted Stock | Year Two |  |  |  |  |  |  |
Percentage vested |  |  |  |  | 50.00% |  |
Restricted Stock | Director [Member] |  |  |  |  |  |  |
Percentage vested |  |  |  |  | 100.00% |  |
Employee Stock Purchase Plan |  |  |  |  |  |  |
Stock compensation expense |  |  |  |  | $ 40,000 | $ 23,000 | 39,000
Unrecognized expense related to restricted stock and cash entitlements |  |  |  | $ 0 | 0 | 0 | 0
Stock compensation expense, net of tax |  |  |  |  | $ 30,000 | $ 1,000 | $ 29,000
2009 LTIP Plan |  |  |  |  |  |  |
Share-based compensation, number of shares available for future grants (in shares) | shares |  |  |  | 0 | 0 |  |
2009 LTIP Plan | Restricted Stock | Year Two |  |  |  |  |  |  |
Percentage vested |  |  |  |  |  | 33.30% |
2009 LTIP Plan | Restricted Stock | Year Three |  |  |  |  |  |  |
Percentage vested |  |  |  |  | 50.00% | 33.30% |
2019 LTIP Plan |  |  |  |  |  |  |
Share-based compensation arrangement, number of shares authorized (in shares) | shares |  |  |  | 1,000,000 | 1,000,000 |  |
2009 ESPP |  |  |  |  |  |  |
Share-based compensation, number of shares available for future grants (in shares) | shares |  |  | 750,000 |  |  |  |
Percentage of purchase price at offering date |  |  | 95.00% |  |  |  |
2019 ESPP |  |  |  |  |  |  |
Share-based compensation, number of shares available for future grants (in shares) | shares |  | 750,000 |  |  |  |  |
Percentage of purchase price at offering date |  | 95.00% |  |  |  |  |
Offering period |  | 3 months |  |  |  |  |
Bank |  |  |  |  |  |  |
Minimum capital conservation buffer |  |  |  | 0.025 | 0.025 |  |
Retained earnings available for payment of dividends to parent company without prior regulatory approval |  |  |  | $ 99,000,000 | $ 99,000,000 |  |

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