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Stockholders' Equity - Repurchase of Common Stock (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | May 02, 2018
Equity, Class of Treasury Stock [Line Items] |  |  |
Number of shares repurchased (in shares) | 3,925,034 | 0 |
Value of shares repurchased | $ 175,400,000 |  |
Shares acquired, average price per share (in usd per share) | $ 44.70 |  |
Common Stock |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |
Stock repurchase program, authorized increase |  |  | $ 1,000,000,000.0
Number of shares repurchased (in shares) | 35,100 |  |
Value of shares repurchased | $ 1,600,000 |  |

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