Name:	qnto_LongtermFederalReserveBankAdvances
Namespace Prefix:	qnto_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Percentage of increase (decrease) in long-term Federal Reserve Bank advances.

No definition available.

Name:	qnto_LongtermFederalReserveBankAdvancesIncreaseDecreasePercentage
Namespace Prefix:	qnto_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Amount of cash outflow for repayment of Federal Reserve Bank borrowing, classified as financing activity.

No definition available.

Name:	qnto_RepaymentsOfFederalReserveBankBorrowingsFinancingActivities
Namespace Prefix:	qnto_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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.

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 https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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

The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878