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RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS - Additional Information (Details) | 4 Months Ended
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Dec. 31, 2020
Restatement [Abstract] |
Percentage of minimum acceptance of shareholders of tender offer provision | 50.00%

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- Definition Percentage of minimum acceptance of shareholders of tender offer provision. + References No definition available. + Details
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Namespace Prefix: | chfw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | chfw_
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Period Type: | duration