Loans - Additional Information (Detail) - USD ($)	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Disclosure [Abstract]
Loans carried net of premiums	$ (292,000)	$ (364,000)
Net deferred fee	220,000	496,000
Mortgage loans sold to others	204,690,000	209,160,000
Total recorded investment in impaired loans	3,252,000	3,051,000	$ 7,114,000
Loans held for sale	0	0
Mortgage servicing rights, net	1,202,000	1,226,000
Impaired loans	2,322,000	2,775,000
Specific reserves	$ 102,000	$ 145,000

Mortgage loans sold.

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Mortgage servicing rights MSR net.

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No definition available.

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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Amount of allowance for credit losses related to recorded investment.

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

+ References

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Amount, after allowance for bad debt, of loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

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Disclosure of the unamortized amount of the premium on the note or receivable which is added to the face amount of the receivable or loan. The discount or premium is defined as the difference between the present value and the face amount.

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