Allowance for Loan and Lease Losses (Tables)

3 Months Ended

Mar. 31, 2015

Allowance for Loan and Lease Losses [Abstract]

Allowance for Credit Losses on Financing Receivables

Changes in the allowance for loan and lease losses for the three months ended March 31, 2015, and March 31, 2014, were as follows, in thousands:

	Commercial			Commercial Real Estate			Agricultural			Residential Real Estate			Consumer			Unallocated		Total
Balance at December 31, 2014	$	11,909		$	15,898		$	3,295		$	3,741		$	6,606		$	—	$	41,449
Charge-offs	(274		)	(333		)	(276		)	(58		)	(1,063		)	—		(2,004		)
Recoveries	320			126			22			37			233			—		738
Provision	(267		)	944			175			25			794			—		1,671
Balance at March 31, 2015	$	11,688		$	16,635		$	3,216		$	3,745		$	6,570		$	—	$	41,854

	Commercial			Commercial Real Estate			Agricultural			Residential Real Estate			Consumer			Unallocated		Total
Balance at December 31, 2013	$	13,099		$	14,152		$	2,992		$	3,720		$	7,722		$	—	$	41,685
Charge-offs	(6,917		)	(923		)	(1,511		)	(149		)	(1,158		)	—		(10,658		)
Recoveries	199			780			2			26			208			—		1,215
Provision	5,252			(999		)	1,088			74			604			312		6,331
Balance at March 31, 2014	$	11,633		$	13,010		$	2,571		$	3,671		$	7,376		$	312	$	38,573