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Condensed Financial Information of Parent Company (Schedule of Condensed Balance Sheets) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Assets |  |  |  |
Cash and due from banks | $ 18,076 | $ 15,042 |  |
Securities available-for-sale, at fair value | 422,665 | 441,534 |  |
Loans, net | 762,082 | 711,362 |  |
Payments in excess of funding | 206,158 | 160,777 |  |
Premises and equipment, net | 20,527 | 22,031 |  |
Other assets | 112,715 | 97,032 |  |
Total assets | 1,764,243 | 1,695,176 | $ 1,603,209 |
Liabilities and Shareholders' Equity |  |  |  |
Accounts and drafts payable | 684,295 | 694,360 |  |
Short-term borrowings | 18,000 |  |  |
Other liabilities | 60,622 | 49,042 |  |
Total liabilities | 1,520,053 | 1,465,328 |  |
Total shareholders' equity | 244,190 | 229,848 | $ 225,088 | $ 208,035
Total liabilities and shareholders' equity | 1,764,243 | 1,695,176 |  |
Parent [Member] |  |  |  |
Assets |  |  |  |
Cash and due from banks | 17,032 | 35,735 |  |
Short-term investments | 3,223 | 35,201 |  |
Securities available-for-sale, at fair value | 422,665 | 441,534 |  |
Loans, net | 45,187 | 20,188 |  |
Payments in excess of funding | 206,158 | 160,777 |  |
Investments in subsidiaries | 145,400 | 130,231 |  |
Premises and equipment, net | 19,940 | 21,358 |  |
Other assets | 137,226 | 117,374 |  |
Total assets | 996,831 | 962,398 |  |
Liabilities and Shareholders' Equity |  |  |  |
Accounts and drafts payable | 683,485 | 693,026 |  |
Short-term borrowings | 18,000 |  |  |
Other liabilities | 50,987 | 39,362 |  |
Total liabilities | 752,472 | 732,388 |  |
Total shareholders' equity | 244,359 | 230,010 |  |
Total liabilities and shareholders' equity | $ 996,831 | $ 962,398 |  |

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