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v3.21.2

PRIVATE PLACEMENT (Details) - USD ($) |  |  | 4 Months Ended
--- | --- | --- | ---
Dec. 01, 2020 | Nov. 23, 2020 | Dec. 31, 2020
Subsidiary, Sale of Stock [Line Items] |  |  |
Sale of Units (in shares) |  |  | 9,200,000
Proceeds from issuance of units | $ 12,240,000 |  | $ 86,113,691
Private Placement Warrants |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Warrants per unit | 1 |  |
Exercise price of warrant | $ 11.50 |  | $ 11.50
Private Placement |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Sale of Units (in shares) | 24,000 | 410,000 |
Share price | $ 10.00 | $ 10.00 |
Proceeds from issuance of units | $ 240,000 | $ 4,100,000 |
Shares per unit | 1 |  |
Private Placement | Private Placement Warrants |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Warrants per unit | 0.33 |  |

X
- Definition Represents the number of shares in a unit. + References No definition available. + Details
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Namespace Prefix: | chfw_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of warrants in a unit. + References No definition available. + Details
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Namespace Prefix: | chfw_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new units issued during the period. + References No definition available. + Details
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Namespace Prefix: | chfw_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of new unit issued during the period. + References No definition available. + Details
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Namespace Prefix: | chfw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- 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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |