The following table shows the changes in the reserve for loan and lease losses, segregated by class, for the three months ended March 31, 2018 and 2017.



(Dollars in thousands)	Commercial and agricultural loans			Auto and light truck			Medium and heavy duty truck			Aircraft			Construction equipment			Commercial real estate			Residential real estate and home equity			Consumer loans		Total
March 31, 2018
Balance, beginning of period	$	16,228		$	10,103		$	4,844		$	34,619		$	9,343		$	14,792		$	3,666		$	1,288	$	94,883
Charge-offs	25			316			—			29			5			7			11			163		556
Recoveries	49			6			—			44			19			21			6			73		218
Net charge-offs (recoveries)	(24		)	310			—			(15		)	(14		)	(14		)	5			90		338
Provision (recovery of provision)	1,357			1,017			(351		)	202			1,560			(36		)	(96		)	133		3,786
Balance, end of period	$	17,609		$	10,810		$	4,493		$	34,836		$	10,917		$	14,770		$	3,565		$	1,331	$	98,331

March 31, 2017
Balance, beginning of period	$	14,668		$	8,064		$	4,740		$	34,352		$	8,207		$	13,677		$	3,550		$	1,285	$	88,543
Charge-offs	208			21			—			1,103			—			2			4			220		1,558
Recoveries	595			1,127			—			183			22			50			71			85		2,133
Net charge-offs (recoveries)	(387		)	(1,106		)	—			920			(22		)	(48		)	(67		)	135		(575		)
Provision (recovery of provision)	934			602			(64		)	(1,424		)	703			143			(25		)	131		1,000
Balance, end of period	$	15,989		$	9,772		$	4,676		$	32,008		$	8,932		$	13,868		$	3,592		$	1,281	$	90,118

The following table shows the reserve for loan and lease losses and recorded investment in loans and leases, segregated by class, separated between individually and collectively evaluated for impairment as of March 31, 2018 and December 31, 2017.



(Dollars in thousands)	Commercial and agricultural loans		Auto and light truck		Medium and heavy duty truck		Aircraft		Construction equipment		Commercial real estate		Residential real estate and home equity		Consumer loans		Total
March 31, 2018
Reserve for loan and lease losses
Ending balance, individually evaluated for impairment	$	—	$	360	$	—	$	431	$	101	$	173	$	132	$	—	$	1,197
Ending balance, collectively evaluated for impairment	17,609		10,450		4,493		34,405		10,816		14,597		3,433		1,331		97,134
Total reserve for loan and lease losses	$	17,609	$	10,810	$	4,493	$	34,836	$	10,917	$	14,770	$	3,565	$	1,331	$	98,331

Recorded investment in loans
Ending balance, individually evaluated for impairment	$	3,013	$	8,885	$	337	$	5,752	$	945	$	3,809	$	350	$	—	$	23,091
Ending balance, collectively evaluated for impairment	1,008,687		502,166		279,673		862,667		618,274		745,117		517,780		133,642		4,668,006
Total recorded investment in loans	$	1,011,700	$	511,051	$	280,010	$	868,419	$	619,219	$	748,926	$	518,130	$	133,642	$	4,691,097

December 31, 2017
Reserve for loan and lease losses
Ending balance, individually evaluated for impairment	$	—	$	243	$	—	$	—	$	108	$	181	$	134	$	—	$	666
Ending balance, collectively evaluated for impairment	16,228		9,860		4,844		34,619		9,235		14,611		3,532		1,288		94,217
Total reserve for loan and lease losses	$	16,228	$	10,103	$	4,844	$	34,619	$	9,343	$	14,792	$	3,666	$	1,288	$	94,883

Recorded investment in loans
Ending balance, individually evaluated for impairment	$	2,439	$	7,780	$	371	$	1,901	$	928	$	3,346	$	352	$	—	$	17,117
Ending balance, collectively evaluated for impairment	927,558		489,036		296,564		842,756		562,509		738,222		525,770		128,146		4,510,561
Total recorded investment in loans	$	929,997	$	496,816	$	296,935	$	844,657	$	563,437	$	741,568	$	526,122	$	128,146	$	4,527,678