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Shareholders' Equity (Changes In Shares Of Common Stock) (Details) - shares | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Shareholders Equity [Line Items] |  |
Treasury stock, beginning balance | 127,580 |
Shares issued, beginning balance | 16,056,178 | 16,056,178
Common stock issued for Courier Capital contingent earn-out | 43,378 |
Restricted stock awards issued |  |
Restricted stock awards forfeited |  |
Stock options exercised |  |
Stock awards |  |
Treasury stock purchases |  |
Treasury stock, ending balance | 96,657 | 127,580
Shares issued, ending balance | 16,099,556 | 16,056,178
Common Stock [Member] |  |
Shareholders Equity [Line Items] |  |
Shares outstanding, beginning balance | 15,928,598 | 15,924,938
Common stock issued for Courier Capital contingent earn-out | 43,378 |
Restricted stock awards issued | 8,226 | 7,370
Restricted stock awards forfeited |  | (23,901)
Stock options exercised | 28,080 | 17,450
Stock awards | 4,192 | 6,363
Treasury stock purchases | (9,575) | (3,622)
Shares outstanding, ending balance | 16,002,899 | 15,928,598
Treasury Stock [Member] |  |
Shareholders Equity [Line Items] |  |
Treasury stock, beginning balance | 127,580 | 131,240
Common stock issued for Courier Capital contingent earn-out |  |
Restricted stock awards issued | (8,226) | (7,370)
Restricted stock awards forfeited |  | 23,901
Stock options exercised | (28,080) | (17,450)
Stock awards | (4,192) | (6,363)
Treasury stock purchases | 9,575 | 3,622
Treasury stock, ending balance | 96,657 | 127,580

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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