The following tables summarize the allocation of the ALLL, as well as the activity in the ALLL attributed to various segments in the loan portfolio as of and for the three months ended for the periods indicated:



	Three Months Ended March 31, 2018
	Commercial and industrial			Franchise			Commercial owner occupied			SBA			Agribusiness			Commercial non-owner occupied			Multi-family			One-to-four family			Construction			Farmland			Land			Consumer loans			Total
	(dollars in thousands)
Balance, December 31, 2017	$	9,721		$	5,797		$	767		$	2,890		$	1,291		$	1,266		$	607		$	803		$	4,569		$	137		$	993		$	95		$	28,936
Charge-offs	(665		)	—			—			(29		)	—			—			—			—			—			—			—			(52		)	(746		)
Recoveries	25			—			8			26			—			—			—			—			—			—			—			—			59
Provisions for (reduction in) loan losses	411			298			16			(73		)	814			71			(15		)	(58		)	506			97			179			7			2,253
Balance, March 31, 2018	$	9,492		$	6,095		$	791		$	2,814		$	2,105		$	1,337		$	592		$	745		$	5,075		$	234		$	1,172		$	50		$	30,502

Amount of allowance attributed to:
Specifically evaluated impaired loans	$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—
General portfolio allocation	9,492			6,095			791			2,814			2,105			1,337			592			745			5,075			234			1,172			50			30,502
Loans individually evaluated for impairment	1,067			—			3,475			1,218			—			—			1,231			1,134			—			—			8			16			8,149
Specific reserves to total loans individually evaluated for impairment	—		%	—		%	—		%	—		%	—		%	—		%	—		%	—		%	—		%	—		%	—		%	—		%	—		%
Loans collectively evaluated for impairment	$	1,061,318		$	692,846		$	1,265,394		$	181,408		$	149,256		$	1,227,693		$	816,732		$	265,190		$	319,610		$	136,522		$	34,444		$	86,190		$	6,236,603
General reserves to total loans collectively evaluated for impairment	0.89		%	0.88		%	0.06		%	1.55		%	1.41		%	0.11		%	0.07		%	0.28		%	1.59		%	0.17		%	3.40		%	0.06		%	0.49		%
Total gross loans held for investment	$	1,062,385		$	692,846		$	1,268,869		$	182,626		$	149,256		$	1,227,693		$	817,963		$	266,324		$	319,610		$	136,522		$	34,452		$	86,206		$	6,244,752
Total allowance to gross loans held for investment	0.89		%	0.88		%	0.06		%	1.54		%	1.41		%	0.11		%	0.07		%	0.28		%	1.59		%	0.17		%	3.40		%	0.06		%	0.49		%



	Three Months Ended March 31, 2017
	Commercial and industrial			Franchise			Commercial owner occupied			SBA			Multi-family			One-to-four family			Construction			Land			Consumer loans			Total
	(dollars in thousands)
Balance, December 31, 2016	$	6,362		$	3,845		$	1,193		$	1,039		$	2,927		$	365		$	3,632		$	198		$	20		$	21,296
Charge-offs	(752		)	—			—			(8		)	—			—			—			—			—			(760		)
Recoveries	22			—			12			2			—			1			—			—			—			37
Provisions for (reduction in) loan losses	1,317			629			27			112			(124		)	7			395			6			1			2,502
Balance, March 31, 2017	$	6,949		$	4,474		$	1,232		$	1,145		$	2,803		$	373		$	4,027		$	204		$	21		$	23,075

Amount of allowance attributed to:
Specifically evaluated impaired loans	$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—		$	—
General portfolio allocation	6,949			4,474			1,232			1,145			2,803			373			4,027			204			21			23,075
Loans individually evaluated for impairment	—			—			86			298			—			115			—			14			—			513
Specific reserves to total loans individually evaluated for impairment	—		%	—		%	—		%	—		%	—		%	—		%	—		%	—		%	—		%	—		%
Loans collectively evaluated for impairment	$	593,457		$	493,158		$	482,209		$	96,188		$	682,237		$	100,308		$	298,279		$	19,724		$	3,930		$	3,381,934
General reserves to total loans collectively evaluated for impairment	1.17		%	0.91		%	0.26		%	1.19		%	0.41		%	0.37		%	1.35		%	1.03		%	0.53		%	0.68		%
Total gross loans held for investment	$	593,457		$	493,158		$	482,295		$	96,486		$	682,237		$	100,423		$	298,279		$	19,738		$	3,930		$	3,382,447
Total allowance to gross loans held for investment	1.17		%	0.91		%	0.26		%	1.19		%	0.41		%	0.37		%	1.35		%	1.03		%	0.53		%	0.68		%