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Parent Company Financial Statements (Statements of Condition) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Investment in subsidiaries: |  |  |  |
Other assets | $ 89,885 | $ 43,451 |  |
Total assets | 4,429,521 | 4,297,435 |  |
LIABILITIES AND SHAREHOLDERS' EQUITY |  |  |  |
Accrued interest and other liabilities | 80,474 | 55,621 |  |
Shareholders’ equity | 473,415 | 435,825 | $ 403,413 | $ 391,547
Total liabilities and shareholders’ equity | 4,429,521 | 4,297,435 |  |
Parent Company [Member] |  |  |  |
ASSETS |  |  |  |
Cash | 30,561 | 32,367 |  |
Investment in subsidiaries: |  |  |  |
Investment in subsidiary | 509,149 | 464,885 |  |
Receivable from subsidiary | 150 | 48 |  |
Other assets | 19,290 | 15,458 |  |
Total assets | 559,150 | 512,758 |  |
LIABILITIES AND SHAREHOLDERS' EQUITY |  |  |  |
Subordinated debentures | 59,080 | 59,067 |  |
Due to subsidiary | 33 | 40 |  |
Accrued interest and other liabilities | 26,622 | 17,826 |  |
Shareholders’ equity | 473,415 | 435,825 |  |
Total liabilities and shareholders’ equity | $ 559,150 | $ 512,758 |  |

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