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Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of loan balances
Total loans	$ 1,565,066	$ 1,416,783
Allowance for loan losses	(12,315)	(10,852)	$ (8,978)	$ (7,632)
Commercial real estate
Schedule of loan balances
Allowance for loan losses	(4,260)	(3,577)	(3,127)	(2,676)
Commercial
Schedule of loan balances
Allowance for loan losses	(2,011)	(1,874)	(1,373)	(1,420)
Residential real estate
Schedule of loan balances
Allowance for loan losses	(2,521)	(2,205)	(1,845)	(1,689)
Consumer
Schedule of loan balances
Allowance for loan losses	(2,848)	(2,766)	$ (2,160)	$ (1,663)
Originated Loans
Schedule of loan balances
Total loans	1,262,167	1,051,103
Originated Loans | Commercial real estate, Owner occupied | Commercial real estate
Schedule of loan balances
Loan balances	140,321	109,750
Originated Loans | Commercial real estate, Non-owner occupied | Commercial real estate
Schedule of loan balances
Loan balances	199,080	165,861
Originated Loans | Commercial real estate, Farmland | Commercial real estate
Schedule of loan balances
Loan balances	70,534	34,155
Originated Loans | Commercial real estate, Other | Commercial real estate
Schedule of loan balances
Loan balances	89,025	70,823
Originated Loans | Commercial, Commercial and industrial | Commercial
Schedule of loan balances
Loan balances	193,347	171,145
Originated Loans | Residential real estate, 1-4 family residential | Residential real estate
Schedule of loan balances
Loan balances	272,421	224,222
Originated Loans | Commercial, Agricultural | Commercial
Schedule of loan balances
Loan balances	32,587	24,598
Originated Loans | Residential real estate, Home equity lines of credit | Residential real estate
Schedule of loan balances
Loan balances	71,507	59,642
Originated Loans | Consumer, Indirect | Consumer
Schedule of loan balances
Loan balances	155,950	156,633
Originated Loans | Consumer, Direct | Consumer
Schedule of loan balances
Loan balances	28,519	26,663
Originated Loans | Consumer, Other | Consumer
Schedule of loan balances
Loan balances	8,876	7,611
Acquired Loans
Schedule of loan balances
Total loans	312,355	373,134
Net deferred loan costs	2,859	3,398
Allowance for loan losses	(12,315)	(10,852)
Acquired Loans | Commercial real estate, Owner occupied | Commercial real estate
Schedule of loan balances
Loan balances	53,031	60,928
Acquired Loans | Commercial real estate, Non-owner occupied | Commercial real estate
Schedule of loan balances
Loan balances	20,286	24,949
Acquired Loans | Commercial real estate, Farmland | Commercial real estate
Schedule of loan balances
Loan balances	47,754	54,204
Acquired Loans | Commercial real estate, Other | Commercial real estate
Schedule of loan balances
Loan balances	11,964	14,665
Acquired Loans | Commercial, Commercial and industrial | Commercial
Schedule of loan balances
Loan balances	27,094	33,626
Acquired Loans | Residential real estate, 1-4 family residential | Residential real estate
Schedule of loan balances
Loan balances	96,759	112,015
Acquired Loans | Commercial, Agricultural | Commercial
Schedule of loan balances
Loan balances	12,206	16,024
Acquired Loans | Residential real estate, Home equity lines of credit | Residential real estate
Schedule of loan balances
Loan balances	28,755	34,795
Acquired Loans | Consumer, Direct | Consumer
Schedule of loan balances
Loan balances	14,378	21,681
Acquired Loans | Consumer, Other | Consumer
Schedule of loan balances
Loan balances	$ 128	$ 247

X

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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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