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Stockholders' Equity (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Oct. 24, 2021
Class Of Stock [Line Items] |  |  |  |
Shares remaining authorized for repurchase (in shares) | 3,500,000 |  |  |
Stock repurchased (in shares) | 2,100,000 | 900,000 | 2,400,000 |
Cost of stock repurchased | $ 75,000 | $ 23,801 | $ 75,946 |
RSU withholdings (in shares) | 204,000 | 198,000 | 198,000 |
RSU withholdings | $ 7,660 | $ 5,090 | $ 6,521 |
Maximum |  |  |  |
Class Of Stock [Line Items] |  |  |  |
Number of outstanding shares authorized to be repurchased, incremental to remaining shares |  |  |  | 3,000,000.0

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