| Shareholders Equity and Capital Stock (Details 4) $ in Thousands | 3 Months Ended | 
|---|---|
| Mar. 31, 2021  USD ($)  shares | |
| Number of unvested units | shares | 1,345,119 | 
| Remaining life (years) | 1 year 1 month 6 days | 
| Aggregate Intrinsic Value | $ | $ 1,479,631 | 
| November 05, 2021 [Member] | |
| Number of unvested units | shares | 638,989 | 
| Remaining life (years) | 7 months 6 days | 
| Aggregate Intrinsic Value | $ | $ 702,888 | 
| Redemption date | Nov. 05, 2021 | 
| November 13, 2022 [Member] | |
| Number of unvested units | shares | 706,130 | 
| Remaining life (years) | 1 year 7 months 6 days | 
| Aggregate Intrinsic Value | $ | $ 776,743 | 
| Redemption date | Nov. 13, 2022 | 
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. No definition available. 
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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