XML 67 R56.htm IDEA: XBRL DOCUMENT v3.24.3

Note 3 - Loans Receivable and Allowance for Credit Losses on Loans - Schedule of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable, Gross	$ 2,494,929	$ 2,433,015
Commercial Real Estate [Member]
Financing Receivable, Gross	5,867	5,787
Residential Real Estate [Member]
Financing Receivable, Gross	322	269
Other Nonreal Estate [Member]
Financing Receivable, Gross	4,578	4,888
Collateral Dependent Loans [Member]
Financing Receivable, Gross	10,767	10,944
Real Estate Portfolio Segment [Member]
Financing Receivable, Gross	1,550,490	1,530,381
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Financing Receivable, Gross	5,867	5,787
Real Estate Portfolio Segment [Member] | Residential Real Estate [Member]
Financing Receivable, Gross	322	269
Real Estate Portfolio Segment [Member] | Other Nonreal Estate [Member]
Financing Receivable, Gross	0	0
Real Estate Portfolio Segment [Member] | Collateral Dependent Loans [Member]
Financing Receivable, Gross	6,189	6,056
Real Estate Portfolio Segment [Member] | Commercial Loan [Member] | Commercial Real Estate [Member]
Financing Receivable, Gross	1,130	1,088
Real Estate Portfolio Segment [Member] | Commercial Loan [Member] | Residential Real Estate [Member]
Financing Receivable, Gross	0	0
Real Estate Portfolio Segment [Member] | Commercial Loan [Member] | Other Nonreal Estate [Member]
Financing Receivable, Gross	0	0
Real Estate Portfolio Segment [Member] | Commercial Loan [Member] | Collateral Dependent Loans [Member]
Financing Receivable, Gross	1,130	1,088
Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Gross	292,366	303,054
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Gross	4,737	4,699
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Residential Real Estate [Member]
Financing Receivable, Gross	0	0
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Other Nonreal Estate [Member]
Financing Receivable, Gross	0
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Collateral Dependent Loans [Member]
Financing Receivable, Gross	4,737	4,699
Real Estate Portfolio Segment [Member] | Home Equity Loan [Member]
Financing Receivable, Gross	75,063	69,488
Real Estate Portfolio Segment [Member] | Home Equity Loan [Member] | Commercial Real Estate [Member]
Financing Receivable, Gross	0	0
Real Estate Portfolio Segment [Member] | Home Equity Loan [Member] | Residential Real Estate [Member]
Financing Receivable, Gross	156	173
Real Estate Portfolio Segment [Member] | Home Equity Loan [Member] | Other Nonreal Estate [Member]
Financing Receivable, Gross	0	0
Real Estate Portfolio Segment [Member] | Home Equity Loan [Member] | Collateral Dependent Loans [Member]
Financing Receivable, Gross	156	173
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member]
Financing Receivable, Gross	591,666	567,742
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Commercial Real Estate [Member]
Financing Receivable, Gross	0	0
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Residential Real Estate [Member]
Financing Receivable, Gross	166	96
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Other Nonreal Estate [Member]
Financing Receivable, Gross	0	0
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Collateral Dependent Loans [Member]
Financing Receivable, Gross	166	96
Consumer Portfolio Segment [Member]
Financing Receivable, Gross	632,417	646,753
Consumer Portfolio Segment [Member] | Commercial Real Estate [Member]
Financing Receivable, Gross	0	0
Consumer Portfolio Segment [Member] | Residential Real Estate [Member]
Financing Receivable, Gross	0	0
Consumer Portfolio Segment [Member] | Other Nonreal Estate [Member]
Financing Receivable, Gross	2,003	2,205
Consumer Portfolio Segment [Member] | Collateral Dependent Loans [Member]
Financing Receivable, Gross	2,003	2,205
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member]
Financing Receivable, Gross	552,226	569,903
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] | Commercial Real Estate [Member]
Financing Receivable, Gross	0	0
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] | Residential Real Estate [Member]
Financing Receivable, Gross	0	0
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] | Other Nonreal Estate [Member]
Financing Receivable, Gross	1,770	1,863
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] | Collateral Dependent Loans [Member]
Financing Receivable, Gross	1,770	1,863
Consumer Portfolio Segment [Member] | Marine Loans [Member]
Financing Receivable, Gross	76,845	73,310
Consumer Portfolio Segment [Member] | Marine Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Gross	0	0
Consumer Portfolio Segment [Member] | Marine Loans [Member] | Residential Real Estate [Member]
Financing Receivable, Gross	0	0
Consumer Portfolio Segment [Member] | Marine Loans [Member] | Other Nonreal Estate [Member]
Financing Receivable, Gross	233	342
Consumer Portfolio Segment [Member] | Marine Loans [Member] | Collateral Dependent Loans [Member]
Financing Receivable, Gross	233	342
Commercial Business Portfolio Segment [Member]
Financing Receivable, Gross	312,022	255,881
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member]
Financing Receivable, Gross	296,773	238,301
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] | Commercial Real Estate [Member]
Financing Receivable, Gross	0	0
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] | Residential Real Estate [Member]
Financing Receivable, Gross	0	0
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] | Other Nonreal Estate [Member]
Financing Receivable, Gross	2,575	2,683
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] | Collateral Dependent Loans [Member]
Financing Receivable, Gross	$ 2,575	$ 2,683

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=fsbw_OtherNonrealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=fsbw_CollateralDependentLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=fsbw_RealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fsbw_OnetofourFamilyLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fsbw_IndirectHomeImprovementLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fsbw_MarineLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=fsbw_CommercialBusinessPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fsbw_CommercialAndIndustrialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: