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Subsequent Events - Additional Information (Detail) - USD ($) | Mar. 15, 2021 | Mar. 31, 2021 | Jan. 12, 2021 | Dec. 31, 2020
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Subsequent Event [Line Items] |  |  |  |
Cash |  | $ 377,294 |  | $ 1,178,377
Class of warrant, exercise price |  | $ 11.50 |  | $ 11.50
Credit Agreement [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Percentage of minimum net required on annual projections | 85.00% |  |  |
Credit Agreement [Member] | Term Loan [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument, interest rate, stated percentage | 1.50% |  |  |
Credit Agreement [Member] | Revolving Credit Facility [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument, interest rate, stated percentage | 0.50% |  |  |
Talkspace Network LLC [Member] | Credit Agreement [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 5,000,000 |  |  |
Debt instrument, term | 36 months |  |  |
Talkspace Network LLC [Member] | Credit Agreement [Member] | Term Loan [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 15,000,000 |  |  |
JPMorgan Chase Bank, N.A [Member] | Credit Agreement [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Class of warrant or right, number of securities called by warrants or rights | 114,454 |  |  |
Class of warrant, exercise price | $ 0.01 |  |  |
Proceeds from issuance of warrants | $ 20,000,000 |  |  |
Minimum [Member] | Credit Agreement [Member] | Term Loan [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument, interest rate, stated percentage | 4.75% |  |  |
Minimum [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument, interest rate, stated percentage | 3.75% |  |  |
Subsequent Event [Member] | Credit Agreement [Member] | Term Loan [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Percentage of minimum net required on annual projections | 85.00% |  |  |
Debt instrument, interest rate, stated percentage | 1.50% |  |  |
Subsequent Event [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument, interest rate, stated percentage | 0.50% |  |  |
Subsequent Event [Member] | Talkspace Network LLC [Member] | Credit Agreement [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 5,000,000 |  |  |
Debt instrument, term | 36 months |  |  |
Subsequent Event [Member] | Talkspace Network LLC [Member] | Credit Agreement [Member] | Term Loan [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 15,000,000 |  |  |
Subsequent Event [Member] | JPMorgan Chase Bank, N.A [Member] | Credit Agreement [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Class of warrant or right, number of securities called by warrants or rights | 114,454 |  |  |
Class of warrant, exercise price | $ 0.01 |  |  |
Proceeds from issuance of warrants | $ 20,000,000 |  |  |
Subsequent Event [Member] | Minimum [Member] | Credit Agreement [Member] | Term Loan [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument, interest rate, stated percentage | 4.75% |  |  |
Subsequent Event [Member] | Minimum [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument, interest rate, stated percentage | 3.75% |  |  |
Subsequent Event [Member] | Talkspace, Inc [Member] | Groop Internet Platform Inc [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Business acquisition, estimated value of the entity |  |  | $ 1,400,000,000 |
Cash |  |  | $ 250,000,000 |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118262064&loc=SL116631418-115840 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=118262064&loc=SL116631419-115840 + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + 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
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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