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Share Capital (Details) |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2019 USD ($) shares | Jul. 22, 2016 | Dec. 31, 2021 USD ($) vote $ / shares shares | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) $ / shares shares | Dec. 31, 2018 USD ($) shares | Jan. 08, 2019 shares | Oct. 03, 2016 USD ($)
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Number of votes | vote |  |  | 1 |  |  |  |  |
Total proceeds from exercise of stock options by employees | $ |  |  | $ 118,589,000 | $ 13,203,000 | $ 21,645,000 |  |  |
Ordinary shares redeemed, value | $ |  |  |  | $ 175,000,000 | 146,931,000 |  |  |
Buyback program |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Stock repurchase program, authorized amount | $ |  |  |  |  |  |  |  | $ 400,000,000
Ordinary shares redeemed (in shares) | 35,100 |  |  | 1,235,218 |  | 4,026,576 |  |
Ordinary shares redeemed, value | $ | $ 5,300,000 |  |  | $ 175,000,000 | $ 141,600,000 | $ 372,100,000 |  |
Number of shares authorized to be repurchased (in shares) |  |  |  |  |  |  | 1,000,000 |
Maximum | Buyback program |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Stock repurchase program, authorized percentage (in percent) |  | 10.00% |  |  |  |  |  |
Employee Stock Option |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Options exercised by employees (in shares) |  |  | 1,065,529 | 193,417 | 329,870 |  |  |
Average exercise price of option per share (USD per share) | $ / shares |  |  | $ 111.29 | $ 68.19 | $ 65.54 |  |  |
Total proceeds from exercise of stock options by employees | $ |  |  | $ 118,600,000 | $ 13,200,000 | $ 21,600,000 |  |  |
Restricted Stock Units (RSUs) |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Ordinary shares issued in respect of certain RSUs previously awarded by the Company (in shares) |  |  | 446,404 | 144,172 | 237,119 |  |  |
Performance Share Unit (PSUs) |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Ordinary shares issued in respect of certain PSUs previously awarded by the Company (in shares) |  |  | 44,132 | 63,516 | 118,611 |  |  |
Ordinary Shares |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Issue of shares associated with a business combination (in shares) |  |  | 27,372,427 |  |  |  |  |
Options exercised by employees (in shares) |  |  | 1,065,529 | 193,417 | 329,870 |  |  |
Ordinary shares redeemed (in shares) |  |  |  | 1,235,218 | 1,035,100 |  |  |
Ordinary shares redeemed, value | $ |  |  |  | $ 82,000 | $ 69,000 |  |  |

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