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Capital Stock - Textual (Details) |  |  | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 12, 2019 shares | Feb. 08, 2018 | Sep. 30, 2019 shares | Sep. 30, 2019 shares | Dec. 31, 2018 shares | Apr. 19, 2018 shares | Apr. 18, 2018 shares | Jul. 23, 2012 shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Conversion ratio |  | 2 |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  | 175,000,000 | 175,000,000 | 175,000,000 | 175,000,000 | 120,000,000 |
Number of shares authorized to be repurchased (in shares) |  |  |  |  |  |  |  | 1,700,000
Repurchase of common stock (in shares) |  |  | 0 | 0 |  |  |  |
Stock issued for acquisition (in shares) |  |  |  | 3,999,623 |  |  |  |
Series A Preferred Stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Stock issued for acquisition (in shares) | 40,000 |  |  |  |  |  |  |
Series B Preferred Stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Stock issued for acquisition (in shares) | 2,000 |  |  |  |  |  |  |

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