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Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | $ 217,494 | $ 229,307
Total gross loans, net of deferred fees, After one but within five years | 698,907 | 662,830
Total gross loans, net of deferred fees, After five years | 817,563 | 785,195
Total gross loans, net of deferred fees | 1,733,964 | 1,677,332
Loans maturing after one year with: fixed interest rates | 1,155,862 | 1,100,854
Loans maturing after one year with: floating interest rates | 360,608 | 347,171
Commercial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | 162,018 | 167,452
Total gross loans, net of deferred fees, After one but within five years | 586,456 | 554,846
Total gross loans, net of deferred fees, After five years | 423,798 | 406,407
Total gross loans, net of deferred fees | 1,172,272 | 1,128,705
Commercial [Member] | Owner occupied RE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | 21,648 | 20,839
Total gross loans, net of deferred fees, After one but within five years | 165,318 | 165,436
Total gross loans, net of deferred fees, After five years | 199,290 | 180,743
Total gross loans, net of deferred fees | 386,256 | 367,018
Commercial [Member] | Non-owner occupied RE [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | 41,795 | 43,000
Total gross loans, net of deferred fees, After one but within five years | 244,292 | 227,454
Total gross loans, net of deferred fees, After five years | 137,866 | 133,842
Total gross loans, net of deferred fees | 423,953 | 404,296
Commercial [Member] | Business [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | 80,049 | 80,672
Total gross loans, net of deferred fees, After one but within five years | 141,048 | 128,911
Total gross loans, net of deferred fees, After five years | 60,405 | 63,697
Total gross loans, net of deferred fees | 281,502 | 272,980
Commercial [Member] | Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | 18,526 | 22,941
Total gross loans, net of deferred fees, After one but within five years | 35,798 | 33,045
Total gross loans, net of deferred fees, After five years | 26,237 | 28,425
Total gross loans, net of deferred fees | 80,561 | 84,411
Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | 55,476 | 61,855
Total gross loans, net of deferred fees, After one but within five years | 112,451 | 107,984
Total gross loans, net of deferred fees, After five years | 393,765 | 378,788
Total gross loans, net of deferred fees | 561,692 | 548,627
Consumer [Member] | Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | 7,473 | 7,681
Total gross loans, net of deferred fees, After one but within five years | 12,121 | 11,253
Total gross loans, net of deferred fees, After five years | 4,576 | 4,888
Total gross loans, net of deferred fees | 24,170 | 23,822
Consumer [Member] | Real estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | 24,754 | 29,301
Total gross loans, net of deferred fees, After one but within five years | 73,030 | 70,467
Total gross loans, net of deferred fees, After five years | 232,754 | 221,175
Total gross loans, net of deferred fees | 330,538 | 320,943
Consumer [Member] | Home equity [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | 8,127 | 8,867
Total gross loans, net of deferred fees, After one but within five years | 26,423 | 24,618
Total gross loans, net of deferred fees, After five years | 132,596 | 132,452
Total gross loans, net of deferred fees | 167,146 | 165,937
Consumer [Member] | Construction [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans, net of deferred fees, One year or less | 15,122 | 16,006
Total gross loans, net of deferred fees, After one but within five years | 877 | 1,646
Total gross loans, net of deferred fees, After five years | 23,839 | 20,273
Total gross loans, net of deferred fees | $ 39,838 | $ 37,925

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