Loans (Impaired Financing Receivables) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Unpaid contractual principal balance	$ 50,521	$ 38,193
Recorded investment with no allowance	45,587	28,220
Recorded investment with allowance	4,122	9,786
Total recorded investment	49,709	38,006
Related allowance	451	985
Average recorded investment	50,021	38,554
Interest income recognized	1,840	1,607
Consumer Loans [Member]
Unpaid contractual principal balance		24
Recorded investment with no allowance		24
Total recorded investment		24
Average recorded investment		39
Interest income recognized		3
Commercial Loans [Member]
Unpaid contractual principal balance	7,587	10,218
Recorded investment with no allowance	7,030	9,297
Recorded investment with allowance	406	921
Total recorded investment	7,436	10,218
Related allowance	155	304
Average recorded investment	7,196	10,600
Interest income recognized	252	432
Commercial Equipment [Member]
Unpaid contractual principal balance	605	335
Recorded investment with no allowance	373	234
Recorded investment with allowance	213	83
Total recorded investment	586	317
Related allowance	123	83
Average recorded investment	623	367
Interest income recognized	23	13
Home Equity and Second Mortgage [Member]
Unpaid contractual principal balance	708	207
Recorded investment with no allowance	649	207
Total recorded investment	649	207
Average recorded investment	630	297
Interest income recognized	19	12
Construction and Land Development [Member]
Unpaid contractual principal balance	6,402	5,666
Recorded investment with no allowance	6,102	1,489
Recorded investment with allowance		4,177
Total recorded investment	6,102	5,666
Related allowance		55
Average recorded investment	6,474	5,386
Interest income recognized	133	252
Residential Mortgage [Member]
Unpaid contractual principal balance	3,407	3,401
Recorded investment with no allowance	2,526	2,695
Recorded investment with allowance	881	706
Total recorded investment	3,407	3,401
Related allowance	76	171
Average recorded investment	3,426	3,392
Interest income recognized	155	125
Commercial Real Estate [Member]
Unpaid contractual principal balance	31,812	18,342
Recorded investment with no allowance	28,907	14,274
Recorded investment with allowance	2,622	3,899
Total recorded investment	31,529	18,173
Related allowance	97	372
Average recorded investment	31,672	18,473
Interest income recognized	$ 1,258	$ 770

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5258-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953550-111524

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