XML
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R43.htm
IDEA: XBRL DOCUMENT
v3.23.1
Fair Value Measurements - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Fair Value Disclosures [Abstract]
Transfers between fair value levels
$ 0
$ 0
X
- Definition
Transfers between fair value levels.
+ References
No definition available.
+ Details
Name:
fnch_TransfersBetweenFairValueLevels
Namespace Prefix:
fnch_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration