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Loans and Allowance for Loan Losses (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Loans and Allowance for Loan Losses (Textual) |  |
Part of loans of 30 days or more past due as a percentage of total loan portfolio | 0.26% | 0.34%
Loans over 90 days past due and still accruing |  |
Real estate loan percentage of total loan | 82.30% | 82.10%
Consumer loans percentage of total real estate loan | 38.00% |
Mortgage loan pledged as collateral for advances from FHLB | $ 597,600 |
Foregone interest income on non accrual loans | $ 53 | $ 309
Commercial loans percentage of total loan portfolio | 62.00% |
Net of deferred loan fees and costs | $ 2,800 | $ 2,300
Owner occupied RE [Member] |  |
Loans and Allowance for Loan Losses (Textual) |  |
Commercial loans percentage of total loan portfolio | 21.90% |
Non-owner occupied RE [Member] |  |
Loans and Allowance for Loan Losses (Textual) |  |
Commercial loans percentage of total loan portfolio | 24.10% |
Construction [Member] |  |
Loans and Allowance for Loan Losses (Textual) |  |
Commercial loans percentage of total loan portfolio | 5.00% |
Commercial [Member] |  |
Loans and Allowance for Loan Losses (Textual) |  |
Part of loans of 30 days or more past due as a percentage of total loan portfolio | 0.01% | 0.12%
Consumer [Member] |  |
Loans and Allowance for Loan Losses (Textual) |  |
Part of loans of 30 days or more past due as a percentage of total loan portfolio | 0.25% | 0.23%

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- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for 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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84165051&loc=d3e45377-112738 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534 + Details
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