Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2018

Loans and Leases Receivable Disclosure [Abstract]

Changes in the Allowance for Loan and Leases Losses

Changes in the allowance for loan losses for the three-month periods ended March 31, 2018, and March 31, 2017, were as follows, in thousands:

	Commercial			Commercial Real Estate			Agricultural		Residential Real Estate			Consumer			Total
Balance at December 31, 2017	$	18,098		$	21,950		$	4,258	$	2,224		$	9,156		$	55,686
Charge-offs	(794		)	(125		)	—		(16		)	(1,289		)	(2,224		)
Recoveries	104			448			14		75			290			931
Provision	1,987			1,196			444		(142		)	778			4,263
Balance at March 31, 2018	$	19,395		$	23,469		$	4,716	$	2,141		$	8,935		$	58,656

	Commercial			Commercial Real Estate			Agricultural			Residential Real Estate			Consumer			Total
Balance at December 31, 2016	$	14,765		$	24,319		$	4,210		$	2,263		$	8,767		$	54,324
Charge-offs	(230		)	(608		)	(871		)	(265		)	(1,744		)	(3,718		)
Recoveries	234			212			1			2			303			752
Provision	1,411			(126		)	643			183			1,530			3,641
Balance at March 31, 2017	$	16,180		$	23,797		$	3,983		$	2,183		$	8,856		$	54,999