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 of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. 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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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Schedule of loan balances
Total loans	$ 1,626,427		$ 1,565,066
Allowance for loan losses	(12,764)	$ (12,550)	(12,315)	$ (11,746)	$ (11,319)	$ (10,852)
Commercial real estate
Schedule of loan balances
Allowance for loan losses	(4,339)	(4,404)	(4,260)	(3,954)	(3,638)	(3,577)
Commercial
Schedule of loan balances
Allowance for loan losses	(1,937)	(2,062)	(2,011)	(1,936)	(1,846)	(1,874)
Residential real estate
Schedule of loan balances
Allowance for loan losses	(2,651)	(2,601)	(2,521)	(2,310)	(2,321)	(2,205)
Consumer
Schedule of loan balances
Allowance for loan losses	(3,050)	$ (2,924)	(2,848)	$ (2,927)	$ (2,813)	$ (2,766)
Originated Loans
Schedule of loan balances
Total loans	1,353,350		1,262,167
Originated Loans \| Commercial real estate, Owner occupied \| Commercial real estate
Schedule of loan balances
Loan balances	145,923		140,321
Originated Loans \| Commercial real estate, Non-owner occupied \| Commercial real estate
Schedule of loan balances
Loan balances	225,569		199,080
Originated Loans \| Commercial real estate, Farmland \| Commercial real estate
Schedule of loan balances
Loan balances	94,500		70,534
Originated Loans \| Commercial real estate, Other \| Commercial real estate
Schedule of loan balances
Loan balances	72,361		89,025
Originated Loans \| Commercial, Commercial and industrial \| Commercial
Schedule of loan balances
Loan balances	209,361		193,347
Originated Loans \| Residential real estate, 1-4 family residential \| Residential real estate
Schedule of loan balances
Loan balances	290,430		272,421
Originated Loans \| Commercial, Agricultural \| Commercial
Schedule of loan balances
Loan balances	32,849		32,587
Originated Loans \| Residential real estate, Home equity lines of credit \| Residential real estate
Schedule of loan balances
Loan balances	74,951		71,507
Originated Loans \| Consumer, Indirect \| Consumer
Schedule of loan balances
Loan balances	167,938		155,950
Originated Loans \| Consumer, Direct \| Consumer
Schedule of loan balances
Loan balances	29,566		28,519
Originated Loans \| Consumer, Other \| Consumer
Schedule of loan balances
Loan balances	9,902		8,876
Acquired Loans
Schedule of loan balances
Total loans	282,536		312,355
Net Deferred loan costs	3,305		2,859
Allowance for loan losses	(12,764)		(12,315)
Acquired Loans \| Commercial real estate, Owner occupied \| Commercial real estate
Schedule of loan balances
Loan balances	49,776		53,031
Acquired Loans \| Commercial real estate, Non-owner occupied \| Commercial real estate
Schedule of loan balances
Loan balances	18,388		20,286
Acquired Loans \| Commercial real estate, Farmland \| Commercial real estate
Schedule of loan balances
Loan balances	42,985		47,754
Acquired Loans \| Commercial real estate, Other \| Commercial real estate
Schedule of loan balances
Loan balances	11,400		11,964
Acquired Loans \| Commercial, Commercial and industrial \| Commercial
Schedule of loan balances
Loan balances	23,311		27,094
Acquired Loans \| Residential real estate, 1-4 family residential \| Residential real estate
Schedule of loan balances
Loan balances	87,569		96,759
Acquired Loans \| Commercial, Agricultural \| Commercial
Schedule of loan balances
Loan balances	10,839		12,206
Acquired Loans \| Residential real estate, Home equity lines of credit \| Residential real estate
Schedule of loan balances
Loan balances	26,536		28,755
Acquired Loans \| Consumer, Direct \| Consumer
Schedule of loan balances
Loan balances	11,587		14,378
Acquired Loans \| Consumer, Other \| Consumer
Schedule of loan balances
Loan balances	$ 145		$ 128