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Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands | Mar. 31, 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 | $ 186,379 | $ 185,625
Total gross loans, net of deferred fees, After one but within five years | 499,670 | 485,298
Total gross loans, net of deferred fees, After five years | 532,631 | 492,721
Total gross loans, net of deferred fees | 1,218,680 | 1,163,644
Loans maturing after one year with: fixed interest rates | 778,861 | 733,892
Loans maturing after one year with: floating interest rates | 253,440 | 244,127
Commercial [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 127,872 | 132,989
Total gross loans, net of deferred fees, After one but within five years | 407,574 | 396,493
Total gross loans, net of deferred fees, After five years | 256,782 | 231,975
Total gross loans, net of deferred fees | 792,228 | 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 | 22,336 | 26,062
Total gross loans, net of deferred fees, After one but within five years | 149,371 | 145,419
Total gross loans, net of deferred fees, After five years | 116,593 | 114,457
Total gross loans, net of deferred fees | 288,300 | 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 | 33,669 | 34,685
Total gross loans, net of deferred fees, After one but within five years | 140,116 | 142,261
Total gross loans, net of deferred fees, After five years | 84,664 | 62,628
Total gross loans, net of deferred fees | 258,449 | 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 | 9,077 | 5,881
Total gross loans, net of deferred fees, After one but within five years | 11,358 | 9,558
Total gross loans, net of deferred fees, After five years | 16,454 | 17,954
Total gross loans, net of deferred fees | 36,889 | 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 | 62,790 | 66,361
Total gross loans, net of deferred fees, After one but within five years | 106,729 | 99,255
Total gross loans, net of deferred fees, After five years | 39,071 | 36,936
Total gross loans, net of deferred fees | 208,590 | 202,552
Consumer [Member] |  |
Loan maturity distribution by type and related interest rate |  |
Total gross loans, net of deferred fees, One year or less | 58,507 | 52,636
Total gross loans, net of deferred fees, After one but within five years | 92,096 | 88,805
Total gross loans, net of deferred fees, After five years | 275,849 | 260,746
Total gross loans, net of deferred fees | 426,452 | 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 | 28,754 | 26,342
Total gross loans, net of deferred fees, After one but within five years | 52,367 | 49,832
Total gross loans, net of deferred fees, After five years | 149,574 | 139,414
Total gross loans, net of deferred fees | 230,695 | 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 | 7,391 | 7,142
Total gross loans, net of deferred fees, After one but within five years | 29,494 | 29,041
Total gross loans, net of deferred fees, After five years | 106,788 | 100,922
Total gross loans, net of deferred fees | 143,673 | 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 | 15,762 | 14,103
Total gross loans, net of deferred fees, After one but within five years | 606 | 627
Total gross loans, net of deferred fees, After five years | 15,167 | 17,192
Total gross loans, net of deferred fees | 31,535 | 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 | 6,600 | 5,049
Total gross loans, net of deferred fees, After one but within five years | 9,629 | 9,305
Total gross loans, net of deferred fees, After five years | 4,320 | 3,218
Total gross loans, net of deferred fees | $ 20,549 | $ 17,572

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