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Share-based Compensation and Other Employment Benefit Plans - Stock Options (Details) - $ / shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Quantity |  |  |
Outstanding at beginning of year (in shares) | 2,401,000 | 3,037,000 | 640,000
Assumed in acquisition (in shares) | 0 | 0 | 3,230,000
Options exercised (in shares) | (923,000) | (572,000) | (820,000)
Options expired/canceled (in shares) | 0 | (64,000) | (13,000)
Options outstanding at end of year (in shares) | 1,478,000 | 2,401,000 | 3,037,000
Options exercisable at end of year (in shares) | 1,478,000 | 2,401,000 | 2,399,000
Weighted-Average Exercise Price |  |  |
Outstanding at beginning of year (in dollars per share) | $ 22.47 | $ 22.74 | $ 16.93
Assumed in acquisition (in dollars per share) | 0 | 0 | 23.22
Options exercised (in dollars per share) | 22.07 | 22.67 | 19.91
Options expired (in dollars per share) | 0 | 33.50 | 34.23
Options outstanding at end of year (in dollars per share) | 22.71 | 22.47 | 22.74
Options exercisable at end of year (in dollars per share) | $ 22.71 | $ 22.47 | $ 19.52

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- Definition Share-based Compensation Arrangements by Share-based Payment Award, Options, Assumed in Acquisition, Weighted Average Exercise Price + References No definition available. + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. + References No definition available. + Details
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