Debt instrument floor interest rate percentage.

No definition available.

Name:	freq_DebtInstrumentFloorInterestRatePercentage
Namespace Prefix:	freq_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt instrument interest only payment maturity date.

+ References

No definition available.

+ Details

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Namespace Prefix:	freq_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument prepayment premium percentage.

+ References

No definition available.

+ Details

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Namespace Prefix:	freq_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

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+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

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+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

+ References

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+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_TypeOfArrangementAxis=freq_LoanAndSecurityAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
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- Details

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- Details

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Debt - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Dec. 11, 2020	Jun. 30, 2022	Jun. 30, 2022
Debt Instrument [Line Items]
Debt instrument, Interest rate			6.25%
Debt instrument interest payment		$ 208	$ 386
Loan Agreement
Debt Instrument [Line Items]
Debt instrument final payment	$ 150
Loan Agreement \| Term Loan
Debt Instrument [Line Items]
Principal balance	$ 15,000
Payment terms, description	The Company will make monthly interest only payments through November 30, 2022. The principal balance and interest will be repaid in equal monthly installments after the interest only period and continuing through May 1, 2024 (the Loan Maturity Date)
Frequency of interest-only payments	monthly
Monthly interest only payments due	Nov. 30, 2022
Loan maturity date	May 01, 2024
Debt instrument, Interest rate	4.75%
Interest rate floor percentage	0.00%
Loan Agreement \| Term Loan \| Prepayment Occurs on or Prior to First Anniversary of Closing Date
Debt Instrument [Line Items]
Debt instrument prepayment premium percentage	2.00%
Loan Agreement \| Term Loan \| Prepayment Occurs After First Anniversary of Closing Date and On or Prior to Second Anniversary of Closing Date
Debt Instrument [Line Items]
Debt instrument prepayment premium percentage	1.00%
Loan Agreement \| Term Loan \| Prepayment Occurs After Second Anniversary of Closing Date
Debt Instrument [Line Items]
Debt instrument prepayment premium percentage	0.00%
Loan Agreement \| Term Loan \| Prime Rate
Debt Instrument [Line Items]
Debt instrument, Interest rate	1.50%