Line of Credit Facility, Accordion Feature

No definition available.

Name:	mktw_LineOfCreditFacilityAccordionFeature
Namespace Prefix:	mktw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Facility, Number Of Banks

+ References

No definition available.

+ Details

Name:	mktw_LineOfCreditFacilityNumberOfBanks
Namespace Prefix:	mktw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Line Of Credit Facility, Number Of Financial Covenants

+ References

No definition available.

+ Details

Name:	mktw_LineOfCreditFacilityNumberOfFinancialCovenants
Namespace Prefix:	mktw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Share Repurchase Program, Term

+ References

No definition available.

+ Details

Name:	mktw_ShareRepurchaseProgramTerm
Namespace Prefix:	mktw_
Data Type:	xbrli:durationItemType
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

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Subsequent Events (Details) - Subsequent Event	Nov. 04, 2021 USD ($)	Oct. 29, 2021 USD ($) financial_covenant bank
Subsequent Event [Line Items]
Share repurchase program, amount authorized	$ 35,000,000
Share repurchase program, term	2 years
Line of Credit
Subsequent Event [Line Items]
Number of banks \| bank		5
Maximum borrowing capacity		$ 150,000,000
Additional potential increase		$ 65,000,000
Debt instrument, term		3 years
Number of financial covenants \| financial_covenant		2
Line of Credit \| Minimum
Subsequent Event [Line Items]
Unused commitment fee percentage		0.25%
Line of Credit \| Maximum
Subsequent Event [Line Items]
Unused commitment fee percentage		0.35%
Line of Credit \| London Interbank Offered Rate (LIBOR) \| Minimum
Subsequent Event [Line Items]
Basis spread on variable rate		1.50%
Line of Credit \| London Interbank Offered Rate (LIBOR) \| Maximum
Subsequent Event [Line Items]
Basis spread on variable rate		2.25%
Letter of Credit
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 5,000,000