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Treasury Stock (Details) - USD ($) shares in Thousands, $ in Thousands | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2020 | Jun. 30, 2020 | Jun. 30, 2019
Treasury Stock |  |  |
Common stock acquired, cost |  | $ 69,048 | $ 10,340
Common stock repurchase authorization |  |  |
Treasury Stock |  |  |
Increase in stock repurchase plan authorized | $ 50,000 |  |
Authorized amount for repurchase of common stock | $ 300,000 |  |
Common stock acquired, shares |  | 898 |
Common stock acquired, cost |  | $ 69,048 |
Remaining authorized repurchase amount |  | $ 58,268 |

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