Loans and Allowance for Credit Losses (Allowance for Credit Losses on Loans Receivable with Impairment) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	$ 9,955	$ 13,256
Loans collectively evaluated for impairment	1,484,942	1,441,000
Total loans	1,494,897	1,454,256
Allowance for credit losses allocated to:
Loans individually evaluated for impairment	84	213
Loans collectively evaluated for impairment	15,441	13,675
Loans and Leases Receivable, Allowance, Total	15,525	13,888
Commercial and Residential Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	324	331
Loans collectively evaluated for impairment	130,266	106,429
Total loans	130,590	106,760
Allowance for credit losses allocated to:
Loans collectively evaluated for impairment	2,621	2,022
Loans and Leases Receivable, Allowance, Total	2,621	2,022
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	4,007	5,722
Loans collectively evaluated for impairment	456,883	437,820
Total loans	460,890	443,542
Allowance for credit losses allocated to:
Loans individually evaluated for impairment	84	135
Loans collectively evaluated for impairment	3,814	3,564
Loans and Leases Receivable, Allowance, Total	3,898	3,699
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	5,397	6,917
Loans collectively evaluated for impairment	658,497	654,315
Total loans	663,894	661,232
Allowance for credit losses allocated to:
Loans individually evaluated for impairment		78
Loans collectively evaluated for impairment	5,527	5,348
Loans and Leases Receivable, Allowance, Total	5,527	5,426
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment	227	258
Loans collectively evaluated for impairment	144,990	210,998
Total loans	145,217	211,256
Allowance for credit losses allocated to:
Loans collectively evaluated for impairment	1,852	2,089
Loans and Leases Receivable, Allowance, Total	1,852	2,089
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans individually evaluated for impairment		28
Loans collectively evaluated for impairment	94,306	31,438
Total loans	94,306	31,466
Allowance for credit losses allocated to:
Loans collectively evaluated for impairment	1,627	652
Loans and Leases Receivable, Allowance, Total	$ 1,627	$ 652

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- Definition

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

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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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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.

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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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