Loans and Allowance for Credit Losses (Allowance for Credit Losses on Loans Receivable with Impairment) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	$ 19,705	$ 19,417
Loans collectively evaluated for impairment	1,257,288	1,229,237
Total loans	1,276,993	1,248,654
Allowance for credit losses allocated to:
Loans individually evaluated for impairment	353	975
Loans collectively evaluated for impairment	10,025	9,532
Loans and Leases Receivable, Allowance, Total	10,378	10,507
Commercial and Residential Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	335	41
Loans collectively evaluated for impairment	109,273	99,788
Total loans	109,608	99,829
Allowance for credit losses allocated to:
Loans collectively evaluated for impairment	1,128	1,576
Loans and Leases Receivable, Allowance, Total	1,128	1,576
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	7,652	7,072
Loans collectively evaluated for impairment	429,545	435,434
Total loans	437,197	442,506
Allowance for credit losses allocated to:
Loans individually evaluated for impairment	268	395
Loans collectively evaluated for impairment	2,214	2,106
Loans and Leases Receivable, Allowance, Total	2,482	2,501
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	11,161	12,006
Loans collectively evaluated for impairment	599,728	574,556
Total loans	610,889	586,562
Allowance for credit losses allocated to:
Loans individually evaluated for impairment	85	580
Loans collectively evaluated for impairment	3,880	3,452
Loans and Leases Receivable, Allowance, Total	3,965	4,032
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	557	298
Loans collectively evaluated for impairment	96,348	101,722
Total loans	96,905	102,020
Allowance for credit losses allocated to:
Loans collectively evaluated for impairment	2,263	1,929
Loans and Leases Receivable, Allowance, Total	2,263	1,929
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans collectively evaluated for impairment	22,394	17,737
Total loans	22,394	17,737
Allowance for credit losses allocated to:
Loans collectively evaluated for impairment	540	469
Loans and Leases Receivable, Allowance, Total	$ 540	$ 469

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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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.

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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.

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