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Loans and Allowance for Credit Losses (Allowance for Credit Losses on Loans Receivable with Impairment) (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | $ 24,762 | $ 27,588
Loans collectively evaluated for impairment | 835,791 | 767,526
Total loans | 860,553 | 795,114
Allowance for credit losses allocated to: |  |
Loans individually evaluated for impairment | 1,211 | 1,401
Loans collectively evaluated for impairment | 7,403 | 6,915
Loans and Leases Receivable, Allowance, Total | 8,614 | 8,316
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | 9,554 | 11,598
Loans collectively evaluated for impairment | 69,651 | 74,034
Total loans | 79,205 | 85,632
Allowance for credit losses allocated to: |  |
Loans individually evaluated for impairment | 831 | 619
Loans collectively evaluated for impairment | 1,187 | 1,027
Loans and Leases Receivable, Allowance, Total | 2,018 | 1,646
Residential Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | 7,928 | 7,946
Loans collectively evaluated for impairment | 316,545 | 299,117
Total loans | 324,473 | 307,063
Allowance for credit losses allocated to: |  |
Loans individually evaluated for impairment | 179 | 435
Loans collectively evaluated for impairment | 1,901 | 1,746
Loans and Leases Receivable, Allowance, Total | 2,080 | 2,181
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | 7,145 | 7,762
Loans collectively evaluated for impairment | 371,661 | 322,491
Total loans | 378,806 | 330,253
Allowance for credit losses allocated to: |  |
Loans individually evaluated for impairment | 201 | 340
Loans collectively evaluated for impairment | 2,986 | 2,659
Loans and Leases Receivable, Allowance, Total | 3,187 | 2,999
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | 36 | 161
Loans collectively evaluated for impairment | 70,884 | 64,750
Total loans | 70,920 | 64,911
Allowance for credit losses allocated to: |  |
Loans collectively evaluated for impairment | 917 | 558
Loans and Leases Receivable, Allowance, Total | 917 | 558
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | 99 | 121
Loans collectively evaluated for impairment | 7,050 | 7,134
Total loans | 7,149 | 7,255
Allowance for credit losses allocated to: |  |
Loans individually evaluated for impairment |  | 7
Loans collectively evaluated for impairment | 154 | 149
Loans and Leases Receivable, Allowance, Total | 154 | 156
Unallocated Financing Receivables [Member] |  |
Allowance for credit losses allocated to: |  |
Loans collectively evaluated for impairment | 258 | 776
Loans and Leases Receivable, Allowance, Total | $ 258 | $ 776

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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