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Discontinued Operations (Schedule Of Estimated Timing Of Payments Of Liabilities) (Details) $ in Thousands | Dec. 31, 2021 USD ($)
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Discontinued Operations [Abstract] |
2021 | $ 826
2022 | 300
Thereafter | 601
Estimated payments of liabilities related to discontinued operations | $ 1,727

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- Definition Payment of liabilities, discounted operations, thereafter + References No definition available. + Details
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Period Type: | instant

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- Definition Payment of liabilities, discounted operations, year one + References No definition available. + Details
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Namespace Prefix: | che_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Payment of liabilities, discounted operations, year two + References No definition available. + Details
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Namespace Prefix: | che_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Total estimated timing of payments of liabilities related to discontinued operations. + References No definition available. + Details
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Namespace Prefix: | che_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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