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Loans and Allowance for Credit Losses (Financing Receivable Credit Quality Indicators) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	$ 1,240,295	$ 1,195,355
Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	1,018,247	967,331
Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	189,146	194,540
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	12,104	8,926
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	20,798	24,558
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	134,145	127,572
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	104,892	93,977
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	25,633	30,735
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	2,153
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	1,467	2,860
Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	430,020	429,560
Residential Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	390,307	386,553
Residential Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	32,098	33,739
Residential Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	3,878	3,769
Residential Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	3,737	5,499
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	559,568	523,427
Commercial Real Estate Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	426,909	389,219
Commercial Real Estate Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	111,664	113,873
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	5,749	4,515
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	15,246	15,820
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	108,615	107,522
Commercial Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	88,611	90,777
Commercial Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	19,335	15,727
Commercial Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	324	642
Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	345	376
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	7,947	7,274
Consumer Portfolio Segment [Member] | Pass Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	7,528	6,805
Consumer Portfolio Segment [Member] | Pass Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	416	466
Consumer Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Risk Rating	$ 3	$ 3

X

- 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=82891408&loc=d3e4428-111522

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