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Stock-based Compensation Plans - TSR - PSUs Activities (Parenthetical) (Detail) - Performance Based TSR - PSUs | 6 Months Ended
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Jun. 30, 2020
May 2017 Grant |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Return on common stock percentile | 80.00%
March 2017 Grant |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Return on common stock percentile | 60.00%
Minimum |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Potential payout of shares on performance units granted | 0.00%
Maximum |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Potential payout of shares on performance units granted | 200.00%

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- Definition Potential payout of shares on performance units granted. + References No definition available. + Details
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Balance Type: | na
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- Definition Achieved return on common stock as calculated compared to peers to determine actual payout of the Total Shareholder Return performance units. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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