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Equity - Share Repurchase Program and Share Repurchase Activity (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
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Jul. 31, 2022 | Apr. 30, 2022 | Jul. 31, 2021 | Apr. 30, 2021 | Jan. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2015
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  |  |  |  |  |  |  | $ 1,200,000
Stock repurchase program, additional authorized amount |  |  |  |  |  | $ 1,000,000 |  | $ 1,000,000 |  | $ 1,600,000 |
Stock repurchase program, remaining authorized repurchase amount |  |  |  |  |  | $ 704,400 |  | $ 704,400 |  |  |
Number of shares repurchased (in shares) |  |  |  |  |  | 1,781,137 | 3,094,706 | 3,408,846 | 5,369,416 |  |
Cash paid for repurchased shares |  |  |  |  |  | $ 478,810 | $ 684,900 | $ 929,880 | $ 1,083,350 |  |
Treasury stock, average price paid per share (in dollars per share) |  |  |  |  |  | $ 265.98 | $ 218.33 | $ 274.84 | $ 202.28 |  |
Open Market Purchases |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash paid for repurchased shares |  | $ 12,100 | $ 10,800 | $ 20,000 | $ 8,000 |  |  |  |  |  |
Open Market Purchases | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash paid for repurchased shares | $ 7,000 |  |  |  |  |  |  |  |  |  |

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