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Loans Receivable and Allowance for Loan Losses (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Real Estate Acquired Through Foreclosure | $ 5,414 |  | $ 5,414 |  | $ 2,847
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) |  |  | 0 |  |
Loans and Leases Receivable, Gross | 581,485 |  | 581,485 |  | 560,251
Impaired Financing Receivable, Related Allowance | 15 |  | 15 |  | 1,613
Write downs | 2,553 | $ 488 | 2,689 | $ 983 |
Gross Realized Losses on Loans |  |  | 0 |  |
Proceeds from Sale of Mortgage Loans Held-for-sale |  | 1,000 | 1,739 | 1,843 |
Customer Concentration Risk [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Write downs |  |  | 3 |  |
Commercial Rentals [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans and Leases Receivable, Gross | 51,400 |  | $ 51,400 |  |
Commercial Rentals [Member] | Loans Receivable [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Concentration Risk, Percentage |  |  | 8.80% |  |
Hospitality Lodging Industry [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans and Leases Receivable, Gross | 50,400 |  | $ 50,400 |  |
Hospitality Lodging Industry [Member] | Loans Receivable [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Concentration Risk, Percentage |  |  | 8.70% |  |
Troubled Debt Restructured Loans [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Impaired Financing Receivable, Related Allowance | 15 |  | $ 15 |  | 1,613
Residential Real Estate Loans [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Real Estate Acquired Through Foreclosure | 148 |  | 148 |  |
Mortgage Loans in Process of Foreclosure, Amount | 464 |  | 464 |  |
Loans and Leases Receivable, Gross | 159,872 |  | 159,872 |  | 161,820
Impaired Financing Receivable, Related Allowance | 0 |  | 0 |  | 0
Write downs | 17 | 26 | 17 | 113 |
Gross Realized Gains on Loans | 22 | 16 | 54 | 40 |
Gross Realized Losses on Loans | 0 | 0 | 0 | 0 |
Proceeds from Sale of Mortgage Loans Held-for-sale | 726 | 1,000 | 1,700 | 1,800 |
Commercial Real Estate Loans [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans and Leases Receivable, Gross | 289,510 |  | 289,510 |  | 279,123
Impaired Financing Receivable, Related Allowance | 15 |  | 15 |  | $ 1,613
Write downs | $ 2,513 | $ 434 | $ 2,642 | $ 827 |

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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + 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 (c)(3) -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 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 + Details
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