Loans and Allowance for Loan Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 1,733,964	$ 1,677,332
Total gross loans, net of deferred fees, (Percentage)	100.00%	100.00%
Less-allowance for loan losses	$ (16,051)	$ (15,762)
Total loans, net	1,717,913	1,661,570
Commercial [Member]
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 1,172,272	$ 1,128,705
Total gross loans, net of deferred fees, (Percentage)	67.60%	67.30%
Commercial [Member] \| Owner occupied RE [Member]
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 386,256	$ 367,018
Total gross loans, net of deferred fees, (Percentage)	22.30%	21.90%
Commercial [Member] \| Non-owner occupied RE [Member]
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 423,953	$ 404,296
Total gross loans, net of deferred fees, (Percentage)	24.40%	24.10%
Commercial [Member] \| Business [Member]
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 281,502	$ 272,980
Total gross loans, net of deferred fees, (Percentage)	16.20%	16.30%
Commercial [Member] \| Construction [Member]
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 80,561	$ 84,411
Total gross loans, net of deferred fees, (Percentage)	4.70%	5.00%
Consumer [Member]
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 561,692	$ 548,627
Total gross loans, net of deferred fees, (Percentage)	32.40%	32.70%
Consumer [Member] \| Other [Member]
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 24,170	$ 23,822
Total gross loans, net of deferred fees, (Percentage)	1.40%	1.40%
Consumer [Member] \| Real estate [Member]
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 330,538	$ 320,943
Total gross loans, net of deferred fees, (Percentage)	19.10%	19.10%
Consumer [Member] \| Home equity [Member]
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 167,146	$ 165,937
Total gross loans, net of deferred fees, (Percentage)	9.60%	9.90%
Consumer [Member] \| Construction [Member]
Composition of loan portfolio
Total gross loans, net of deferred fees	$ 39,838	$ 37,925
Total gross loans, net of deferred fees, (Percentage)	2.30%	2.30%

Loans and leases receivable net of deferred income percentage.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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