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Parent Company Only Financial Information (Interim Condensed Statements of Cash Flows) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Operating activities |  |
Net income | $ 3,462 | $ 3,136
Adjustments to reconcile net income to cash provided by operations |  |
Share-based payment awards | 146 | 178
Depreciation | 717 | 722
Changes in operating assets and liabilities which used cash |  |
Other assets | 124 | 322
Accrued interest and other liabilities | (568) | (70)
Net cash provided by (used in) operating activities | 5,810 | 4,387
Investing activities |  |
Sales (purchases) of premises and equipment | (760) | (390)
Net cash provided by (used in) investing activities | (9,645) | (33,448)
Financing activities |  |
Cash dividends paid on common stock | (2,041) | (1,953)
Proceeds from the issuance of common stock | 1,616 | 1,770
Common stock repurchased | (620) | (1,169)
Common stock purchased for deferred compensation obligations | (101) | (123)
Net cash provided by (used in) financing activities | (10,301) | 24,227
Increase (decrease) in cash and cash equivalents | (14,136) | (4,834)
Cash and cash equivalents at beginning of period | 30,848 | 22,894
Cash and cash equivalents at end of period | 16,712 | 18,060
Parent Company [Member] |  |
Operating activities |  |
Net income | 3,462 | 3,136
Adjustments to reconcile net income to cash provided by operations |  |
Undistributed earnings of subsidiaries | (2,069) | (2,049)
Undistributed earnings of equity securities without readily determinable fair values | 63 | 78
Share-based payment awards | 146 | 178
Depreciation | 30 | 39
Changes in operating assets and liabilities which used cash |  |
Other assets | 830 | 74
Accrued interest and other liabilities | (97) | (1,073)
Net cash provided by (used in) operating activities | 2,365 | 383
Investing activities |  |
Maturities, calls, principal payments, and sales of AFS securities | 0 | 249
Sales (purchases) of premises and equipment | 6 | (3)
Net cash provided by (used in) investing activities | 6 | 246
Financing activities |  |
Cash dividends paid on common stock | (2,041) | (1,953)
Proceeds from the issuance of common stock | 1,616 | 1,770
Common stock repurchased | (620) | (1,169)
Common stock purchased for deferred compensation obligations | (101) | (123)
Net cash provided by (used in) financing activities | (1,146) | (1,475)
Increase (decrease) in cash and cash equivalents | 1,225 | (846)
Cash and cash equivalents at beginning of period | 185 | 1,297
Cash and cash equivalents at end of period | $ 1,410 | $ 451

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