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SHAREHOLDERS' EQUITY - Treasury Shares (Details) - Common shares - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Treasury Shares [Line Items] |  |  |  |
Total shares (in shares) | 640 | 8 | 885 | 197
Total cost | $ 35,356 | $ 439 | $ 48,333 | $ 9,819
Average price per share (in usd per share) | $ 55.27 | $ 53.08 | $ 54.62 | $ 49.87
In the open market |  |  |  |
Treasury Shares [Line Items] |  |  |  |
Total shares (in shares) | 634 | 0 | 634 | 0
Total cost | $ 34,987 | $ 0 | $ 34,987 | $ 0
Average price per share (in usd per share) | $ 55.22 | $ 0 | $ 55.22 | $ 0
From employees |  |  |  |
Treasury Shares [Line Items] |  |  |  |
Total shares (in shares) | 6 | 8 | 251 | 197
Total cost | $ 369 | $ 439 | $ 13,346 | $ 9,819
Average price per share (in usd per share) | $ 60.02 | $ 53.08 | $ 53.10 | $ 49.87

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