Revenue from Contracts with Customers (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Service charges and fee income
Loan fees	$ 48,000	$ 60,000
Other fees	15,000	9,000
Service charges and fee income	494,000	447,000
Earnings on cash surrender value of bank-owned life insurance	15,000	108,000
Mortgage servicing income	244,000	242,000
Fair value adjustment on mortgage servicing rights	(362,000)	(324,000)
Net gain on sale of loans	318,000	535,000
Total noninterest income	709,000	1,008,000
Loss on sale of OREO	0	3,000
Account maintenance fees
Service charges and fee income
Service charges and fee income within scope of ASC 606	94,000	50,000
Transaction-based and overdraft service charges
Service charges and fee income
Service charges and fee income within scope of ASC 606	100,000	109,000
Debit/ATM interchange fees
Service charges and fee income
Service charges and fee income within scope of ASC 606	230,000	213,000
Credit card interchange fees
Service charges and fee income
Service charges and fee income within scope of ASC 606	$ 7,000	$ 6,000

Fees and Commissions, Mortgage Banking and Servicing, Income (Loss)

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Amount of revenue from loan fees not within scope of ASC 606.

+ References

No definition available.

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Amount of revenue classified as other not within scope of ASC 606.

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No definition available.

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No definition available.

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- Definition

Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies.

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- Definition

The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13(h))
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The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.

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Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.

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- Definition

The adjustment to the carrying value of the rights retained or purchased to service mortgages. These adjustments are made when the estimate of the fair value is changed. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

+ References

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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-Subparagraph (a)
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