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Shareholders' Equity (Narrative) (Details) - $ / shares | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2021 | Dec. 31, 2020 | Nov. 30, 2020
Stockholders Equity Note [Abstract] |  |  |  |
Shares of common stock authorized to be repurchased |  |  |  | 801,879
Number of shares repurchased | 0 | 238,439 | 0 |
Stock repurchased average price |  | $ 24.30 |  |
Remaining shares of common stock authorized to be repurchased | 563,440 | 563,440 |  |

X
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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