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Equity Incentive Plan RSUs and PSUs Rollforward (Details) - $ / shares $ / shares in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Share-Based Payment Arrangement [Abstract] |  |
Restricted Stock Units, Nonvested, Intrinsic Value | $ 36.0 | $ 45.6
Performance Stock Units, Grants in Period | 2,350 |
Performance Share Unit, Nonvested, Number of Shares | 12,282 | 14,844
Performance Share units, Nonvested, Intrinsic Value | $ 17.8 | $ 25.2
Share Based Compensation, Performance Shares Vested in the Period | (9,367) |
Share Based Compensation, Performance Shares Forfeited in the period | 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |
Restricted Stock Units, Nonvested, Number, Beginning | 26,899 |
Restricted Stock Units, Grants in Period | 8,862 |
Share Based Compensation, Performance Shares Vested in the Period for Vesting of 2016 PUs | 4,455 |
Restricted Stock Units, Vested in Period | (9,551) |
Restricted Stock Units, Forfeited in Period | (1,318) |
Restricted Stock Units, Nonvested, Number, Ending | 24,892 |

X
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- Definition The number of performanmce based equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References No definition available. + Details
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- Definition The number of performance based equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References No definition available. + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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