Credit facility fees paid to third parties

No definition available.

Name:	note_CreditFacilityFeesPaidToThirdParties
Namespace Prefix:	note_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Debt issuance costs capitalized.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Financial covenant minimum cash balance.

+ References

No definition available.

+ Details

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- Definition

Increase in interest rate event of default.

+ References

No definition available.

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- Definition

Lender fees paid.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Line of credit uncommitted incremental facility.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of Interest paid in kind.

+ References

No definition available.

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- Definition

Percentage of outstanding principal amount.

+ References

No definition available.

+ Details

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- Definition

Prepayment fee.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Prepayment fee percentage.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Prime rate percentage.

+ References

No definition available.

+ Details

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

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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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Data Type:	dtr-types:percentItemType
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

Amount, after accumulated amortization, of debt discount.

+ References

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Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Balance Type:	debit
Period Type:	instant

- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

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Balance Type:	na
Period Type:	duration

- Definition

Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of the required periodic payment applied to interest.

+ References

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.

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Debt - New Senior Term Loan - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Debt Instrument [Line Items]
Paid-in-kind interest		$ 10,491	$ 26,972
Debt issuance costs	$ 3,243	3,243		$ 4,807
Unamortized debt discount				$ 38,999
New Senior Term Loan
Debt Instrument [Line Items]
Principal amount	150,000	150,000
Uncommitted incremental loan facility	100,000	$ 100,000
Percentage of monthly interest in cash		9.00%
Interest payable in kind		1.00%
Maturity date		Jul. 29, 2027
Annual interest rate term		The annual interest of the New Senior Term Loan consists of two components: a cash interest component of (a) the greater of (i) Prime Rate plus 5.0% per annum and (ii) 9.0% payable monthly in cash, and (b) interest payable in kind component of 1.00% per annum, payable in kind monthly.
Prime rate percentage		6.25%
Cash interest	2,001
Paid-in-kind interest	263
Prepayment fee		$ 6,375
Lender fees paid		2,435
Fees paid to third parties		342
Capitalized debt issuance costs	2,777	2,777
Amortization	102	102
Unamortized debt discount	$ 2,675	2,675
Financial covenant minimum cash balance		$ 15,000
Increase in interest rate event of default		5.00%
New Senior Term Loan \| Beginning on August 15, 2025
Debt Instrument [Line Items]
Maturity date		Jul. 15, 2027
Percentage of outstanding principal amount	50.00%	50.00%
Monthly basis over the remaining period		24 months
New Senior Term Loan \| Prior to July 30, 2024
Debt Instrument [Line Items]
Prepayment fee	2.00%	2.00%
New Senior Term Loan \| Prior to July 30, 2025
Debt Instrument [Line Items]
Prepayment fee	1.00%	1.00%
New Senior Term Loan \| On or After July 30, 2025
Debt Instrument [Line Items]
Prepayment fee	0.00%	0.00%
New Senior Term Loan \| Earlier of Prepayment or July 29, 2023
Debt Instrument [Line Items]
Debt issuance costs	$ 1,734	$ 1,734
New Senior Term Loan \| Prime Rate
Debt Instrument [Line Items]
Debt instrument, interest rate		5.00%