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Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended | 10 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2020 | Apr. 13, 2020 | Dec. 31, 2019 | Jun. 20, 2019
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Preferred stock, shares authorized |  |  |  |  | 500,000 |  | 500,000 |
Preferred stock, par value |  |  |  |  | $ 25 |  | $ 25 |
Preferred stock, shares issued |  |  |  |  | 0 |  | 0 |
Preferred stock, shares outstanding |  |  |  |  | 0 |  | 0 |
Price of shares repurchased | $ 338 | $ 652 | $ 2,073 | $ 105 |  |  |  |
2019 Repurchase Program [Member] |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Preferred stock, shares authorized |  |  |  |  |  | 0 |  |
Stock repurchase program, amount authorized |  |  |  |  |  |  |  | $ 10,000
Stock repurchase program, period in force |  |  |  |  | 12 months |  |  |
Shares repurchased |  |  |  |  |  | 2,740,643 |  |
Average price per share |  |  |  |  |  | $ 1.70 |  |
Price of shares repurchased |  |  |  |  |  | $ 4,700 |  |

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