Allowance for Loan Losses

3 Months Ended

Mar. 31, 2018

Provision for Loan and Lease Losses [Abstract]

Allowance for Loan Losses

Allowance for Loan Losses

The Company’s ALLL covers estimated credit losses on individually evaluated loans that are determined to be impaired as well as estimated probable incurred losses inherent in the remainder of the loan portfolio. The ALLL is prepared using the information provided by the Company’s credit review process together with data from peer institutions and economic information gathered from published sources.

The loan portfolio is segmented into groups of loans with similar risk characteristics. Each segment possesses varying degrees of risk based on, among other things, the type of loan, the type of collateral, and the sensitivity of the borrower or industry to changes in external factors such as economic conditions. An estimated loss rate calculated using the Company’s actual historical loss rates adjusted for current portfolio trends, economic conditions, and other relevant internal and external factors, is applied to each group’s aggregate loan balances.

The Company’s base ALLL factors are determined by management using the Bank’s annualized actual trailing charge-off data over a full credit cycle with the loss emergence period extending from 1 year to 1.4 years. Adjustments to those base factors are made for relevant internal and external factors. Those factors may include:

• Changes in national, regional and local economic conditions, including trends in real estate values and the interest rate environment,

• Changes in the nature and volume of the loan portfolio, including new types of lending,

• Changes in volume and severity of past due loans, the volume of nonaccrual loans, and the volume and severity of adversely classified or graded loans, and

• The existence and effect of concentrations of credit, and changes in the level of such concentrations.

For loans risk graded as watch or worse, progressively higher potential loss factors are applied based on migration analysis of risk grading and net charge-offs.

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		%