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Compensation Plans Outstanding Longer Term Incentive Awards (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Outstanding Long Term Incentive Awards [Line Items] |  |
Target Shares Issuable as Long Term Incentive Awards | $ 26,002 | $ 20,860
Maximum Shares Issuable as Long Term Incentive Awards | 52,004 | 41,720
Unrecognized Compensation Cost - Long Term Incentives | $ 704,000 | $ 366,000
Share-based Compensation Arrangement By Share-based Payment Award, Grants In Period, Weighted Average Grant Date Fair Value | $ 38,090.00 | $ 47,460

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- Definition Maximum Shares Issuable as Long Term Incentive Awards + References No definition available. + Details
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- Definition [Line Items] for Outstanding Long Term Incentive Awards [Table] + References No definition available. + Details
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- Definition Target Shares Issuable as Long Term Incentive Awards + References No definition available. + Details
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