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Treasury Stock - Narrative (Details) - USD ($) | Mar. 10, 2020 | Dec. 31, 2019 | Oct. 30, 2018
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Equity, Class of Treasury Stock [Line Items] |  |  |
Share value available for repurchase |  | $ 3,900,000 |
Share Repurchase Program - Authorized October 30, 2018 |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |
Amount of common stock authorized for purchase under repurchase plan |  |  | $ 5,000,000.0
Share Repurchase Program - Authorized March 10, 2020 | Subsequent Event |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased | 300,000 |  |

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