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Loans and Allowance for Credit Losses (Financing Receivable Credit Quality Indicators) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	$ 1,423,965	$ 1,248,654
Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	1,191,398	1,042,408
Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	205,238	177,994
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	14,908	13,523
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	12,421	14,729
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	106,040	99,829
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	84,506	84,357
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	19,196	13,068
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	2,041	2,404
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	297
Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	442,140	442,506
Residential Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	398,950	404,500
Residential Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	36,426	29,223
Residential Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	4,095	5,549
Residential Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	2,669	3,234
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	629,641	586,562
Commercial Real Estate Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	492,816	455,388
Commercial Real Estate Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	122,104	115,190
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	5,598	4,822
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	9,123	11,162
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	218,596	102,020
Commercial Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	187,876	80,816
Commercial Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	27,247	20,130
Commercial Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	3,174	746
Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	299	328
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	27,548	17,737
Consumer Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	27,250	17,347
Consumer Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	265	383
Consumer Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating		2
Consumer Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	$ 33	$ 5

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- Definition

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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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

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