The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

No definition available.

+ Details

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Namespace Prefix:	fkys_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

+ Details

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- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

+ Details

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

+ Details

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LOANS AND ALLOWANCE FOR LOAN LOSSES - Loan modifications categorized as TDRs (Details)	3 Months Ended						9 Months Ended
	Sep. 30, 2022 contract	Sep. 30, 2022 USD ($)	Sep. 30, 2022 loan	Sep. 30, 2021 contract	Sep. 30, 2021 USD ($)	Sep. 30, 2021 loan	Sep. 30, 2022 contract	Sep. 30, 2022 USD ($)	Sep. 30, 2022 loan	Sep. 30, 2021 contract	Sep. 30, 2021 USD ($)	Sep. 30, 2021 loan
Number of contracts	1		1	1		1	2		2	4		4
Pre-Modification Outstanding Recorded Investment		$ 134,000			$ 59,000			$ 481,000			$ 360,000
Post-Modification Outstanding Recorded Investment		143,000			59,000			515,000			360,000
Recorded Investment		143,000			59,000			507,000			350,000
commercial real estate
Number of contracts \| contract	1			1			2			4
Pre-Modification Outstanding Recorded Investment		134,000			59,000			481,000			360,000
Post-Modification Outstanding Recorded Investment		143,000			59,000			515,000			360,000
Recorded Investment		$ 143,000			$ 59,000			$ 507,000			$ 350,000