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Condensed Financial Information - Parent Company Only (Schedule of Condensed Cash Flows Statement) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019
Cash Flows from Operating Activities |  |  |  |  |  |  |  |  |  |
Net income | $ 2,506 | $ 3,406 | $ 2,819 | $ 2,441 | $ 2,831 | $ 2,231 | $ 2,126 | $ 2,571 | $ 11,172 | $ 9,759
Changes in assets and liabilities: |  |  |  |  |  |  |  |  |  |
(Increase) in other assets |  |  |  |  |  |  |  |  | (1,397) | (942)
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 11,006 | 11,348
Cash Flows from Investing Activities |  |  |  |  |  |  |  |  |  |
Net (increase) in loans |  |  |  |  |  |  |  |  | (191,411) | (40,211)
Net cash (used in) investing activities |  |  |  |  |  |  |  |  | (201,474) | (57,982)
Cash Flows from Financing Activities |  |  |  |  |  |  |  |  |  |
Cash dividends paid |  |  |  |  |  |  |  |  | (3,198) | (2,996)
Issuance of common stock, employee benefit plan |  |  |  |  |  |  |  |  | 227 | 138
Retirement of common stock |  |  |  |  |  |  |  |  | (1,854) | (1,771)
Net cash provided by financing activities |  |  |  |  |  |  |  |  | 236,729 | 61,940
Parent Company [Member] |  |  |  |  |  |  |  |  |  |
Cash Flows from Operating Activities |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | 11,172 | 9,759
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense |  |  |  |  |  |  |  |  | 604 | 562
Undistributed earnings of subsidiary bank |  |  |  |  |  |  |  |  | (7,050) | (5,012)
Changes in assets and liabilities: |  |  |  |  |  |  |  |  |  |
(Increase) in other assets |  |  |  |  |  |  |  |  | 5 | (50)
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 4,731 | 5,259
Cash Flows from Investing Activities |  |  |  |  |  |  |  |  |  |
Net (increase) in loans |  |  |  |  |  |  |  |  | 7 | (43)
Net cash (used in) investing activities |  |  |  |  |  |  |  |  | 7 | (43)
Cash Flows from Financing Activities |  |  |  |  |  |  |  |  |  |
Cash dividends paid |  |  |  |  |  |  |  |  | (3,198) | (2,996)
Issuance of common stock, employee benefit plan |  |  |  |  |  |  |  |  | 227 | 138
Retirement of common stock |  |  |  |  |  |  |  |  | (1,854) | (1,771)
Net cash provided by financing activities |  |  |  |  |  |  |  |  | (4,825) | (4,629)
(Decrease) increase in cash |  |  |  |  |  |  |  |  | (87) | 587
Cash and Cash Equivalents |  |  |  |  |  |  |  |  |  |
Beginning |  |  |  | $ 989 |  |  |  | $ 402 | 989 | 402
Ending | $ 902 |  |  |  | $ 989 |  |  |  | $ 902 | $ 989

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