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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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-SubTopic 10
-Section 50
-Paragraph 11B
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-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
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Loans Receivable, Net and Allowance for Loan Losses - Summary of Loans Receivable (Detail) - USD ($)	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Real estate loans:
Total Loans	$ 1,357,511,000	$ 1,358,966,000
Less allowance for loan losses	18,210,000	18,113,000	$ 16,141,000	$ 15,400,000
Net loans	1,339,301,000	1,340,853,000
Obligations of States and Political Subdivisions [Member]
Real estate loans:
Total Loans	37,804,000	56,164,000
Less allowance for loan losses	265,000	393,000	508,000	555,000
Home Equity Loans and Lines of Credit [Member]
Real estate loans:
Total Loans	37,384,000	38,426,000
Less allowance for loan losses	297,000	318,000	350,000	337,000
Auto Loans [Member]
Real estate loans:
Total Loans	10,339,000	13,852,000
Less allowance for loan losses	196,000	232,000	620,000	780,000
Other [Member]
Real estate loans:
Total Loans	1,533,000	1,581,000
Less allowance for loan losses	21,000	21,000	22,000	25,000
Residential [Member] \| Real Estate Loans [Member]
Real estate loans:
Total Loans	580,292,000	580,313,000
Less allowance for loan losses	4,098,000	4,114,000	4,507,000	4,301,000
Construction [Member] \| Real Estate Loans [Member]
Real estate loans:
Total Loans	18,003,000	14,013,000
Less allowance for loan losses	241,000	187,000	135,000	127,000
Commercial [Member]
Real estate loans:
Net loans	18,800,000
Commercial [Member] \| Real Estate Loans [Member]
Real estate loans:
Total Loans	615,608,000	591,117,000
Less allowance for loan losses	10,607,000	10,470,000	7,862,000	7,209,000
Commercial Loans [Member]
Real estate loans:
Total Loans	56,548,000	63,500,000
Less allowance for loan losses	1,224,000	$ 1,041,000	$ 904,000	$ 874,000
Net loans	$ 369,000