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Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
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Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | $ 202,340 | $ 185,625
Total gross loans, net of deferred fees, After one but within five years | 538,139 | 485,298
Total gross loans, net of deferred fees, After five years | 587,260 | 492,721
Total gross loans, net of deferred fees | 1,327,739 | 1,163,644
Loans maturing after one year with: fixed interest rates | 851,998 | 733,892
Loans maturing after one year with: floating interest rates | 273,401 | 244,127
Commercial [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 142,848 | 132,989
Total gross loans, net of deferred fees, After one but within five years | 436,501 | 396,493
Total gross loans, net of deferred fees, After five years | 286,503 | 231,975
Total gross loans, net of deferred fees | 865,852 | 761,457
Commercial [Member] | Owner occupied RE [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 24,771 | 26,062
Total gross loans, net of deferred fees, After one but within five years | 165,019 | 145,419
Total gross loans, net of deferred fees, After five years | 127,472 | 114,457
Total gross loans, net of deferred fees | 317,262 | 285,938
Commercial [Member] | Non-owner occupied RE [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 47,778 | 34,685
Total gross loans, net of deferred fees, After one but within five years | 155,987 | 142,261
Total gross loans, net of deferred fees, After five years | 97,595 | 62,628
Total gross loans, net of deferred fees | 301,360 | 239,574
Commercial [Member] | Construction [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 6,908 | 5,881
Total gross loans, net of deferred fees, After one but within five years | 6,492 | 9,558
Total gross loans, net of deferred fees, After five years | 18,932 | 17,954
Total gross loans, net of deferred fees | 32,332 | 33,393
Commercial [Member] | Business [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 63,391 | 66,361
Total gross loans, net of deferred fees, After one but within five years | 109,003 | 99,255
Total gross loans, net of deferred fees, After five years | 42,504 | 36,936
Total gross loans, net of deferred fees | 214,898 | 202,552
Consumer [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 59,492 | 52,636
Total gross loans, net of deferred fees, After one but within five years | 101,638 | 88,805
Total gross loans, net of deferred fees, After five years | 300,757 | 260,746
Total gross loans, net of deferred fees | 461,887 | 402,187
Consumer [Member] | Real estate [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 23,864 | 26,342
Total gross loans, net of deferred fees, After one but within five years | 62,991 | 49,832
Total gross loans, net of deferred fees, After five years | 163,628 | 139,414
Total gross loans, net of deferred fees | 250,483 | 215,588
Consumer [Member] | Home equity [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 10,441 | 7,142
Total gross loans, net of deferred fees, After one but within five years | 25,930 | 29,041
Total gross loans, net of deferred fees, After five years | 114,000 | 100,922
Total gross loans, net of deferred fees | 150,371 | 137,105
Consumer [Member] | Construction [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 19,312 | 14,103
Total gross loans, net of deferred fees, After one but within five years | 635 | 627
Total gross loans, net of deferred fees, After five years | 18,819 | 17,192
Total gross loans, net of deferred fees | 38,766 | 31,922
Consumer [Member] | Other [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 5,875 | 5,049
Total gross loans, net of deferred fees, After one but within five years | 12,082 | 9,305
Total gross loans, net of deferred fees, After five years | 4,310 | 3,218
Total gross loans, net of deferred fees | $ 22,267 | $ 17,572

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