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Company Only Condensed Financial Information - Statements of Cash Flows (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Adjustments: |  |
Change in other assets | $ (94) | $ (3,406)
Net Cash Provided by (Used in) Operating Activities | 20,685 | 22,730
Cash flows from financing activities |  |
Repurchase and retirement of common stock | (23,284) | (10,819)
Cash dividends paid on common stock | (6,449) | (5,153)
Net cash used in financing activities | (58,133) | (6,227)
Parent Company [Member] |  |
Cash flows from operating activities |  |
Net income (loss) | 19,342 | 9,004
Adjustments: |  |
Equity in undistributed subsidiary excess distributions | 15,527 | (248)
Change in other assets | 67 | (2,712)
Change in accrued expenses and other liabilities | (369) | 3,015
Net Cash Provided by (Used in) Operating Activities | 34,567 | 9,059
Cash flows from financing activities |  |
Net exercise of stock options | 0 | (1,237)
Repurchase and retirement of common stock | (23,284) | (10,819)
Cash dividends paid on common stock | (6,449) | (5,153)
Net cash used in financing activities | (29,733) | (17,209)
Net change in cash in subsidiary | 4,834 | (8,150)
Beginning cash in subsidiary | 6,393 | 14,543
Ending cash in subsidiary | $ 11,227 | $ 6,393

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