Loans and Allowance for Loan Losses (Narrative) (Details) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2020 USD ($) loan	Dec. 31, 2019 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount of loan	$ 1,600	$ 1,659
Number of loans default \| loan	3	3
Number of new loans default \| loan	0	0
Balance of capitalized servicing rights	$ 2,319	$ 2,226
Aggregate balances of loans serviced to third party	289,538	270,730
Loans and Leases Receivable, Impaired, Commitment to Lend	0	0
Mortgage Servicing Rights (MSR) Impairment (Recovery)	0	0
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid principal balances of loans held for sale	$ 2,295	$ 2,684

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

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Represents amount of outstanding balance of loan serviced for third party.

+ References

No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

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

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Amount of financing receivable modified as troubled debt restructuring.

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Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring.

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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

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Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

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