Loans, net and allowance for credit losses (Tables)

12 Months Ended

Dec. 31, 2023

Loans, net and allowance for credit losses

Schedule of major classifications of loans outstanding

(Dollars in thousands)		December 31, 2023	December 31, 2022
Commercial and Industrial	$	368,411	$	433,048
Municipal		175,304		166,210
Total		543,715		599,258
Real estate
Commercial		1,863,118		1,709,827
Residential		360,803		330,728
Total		2,223,921		2,040,555
Consumer
Indirect Auto		75,389		76,461
Consumer Other		6,872		13,842
Total		82,261		90,303
Total	$	2,849,897	$	2,730,116

Schedule of major classifications of loans by past due status

	December 31, 2023
					Greater								Loans > 90
	30-59 Days		60-89 Days		than 90		Total Past						Days and
(Dollars in thousands)	Past Due		Past Due		Days		Due		Current		Total Loans		Accruing
Commercial	$	53	$	155	$	10	$	218	$	368,193	$	368,411	$
Municipal										175,304		175,304
Real estate:
Commercial		152		5		279		436		1,862,682		1,863,118
Residential		1,456		50		1,610		3,116		357,687		360,803		986
Consumer		1,069		285		85		1,439		80,822		82,261
Total	$	2,730	$	495	$	1,984	$	5,209	$	2,844,688	$	2,849,897	$	986

	December 31, 2022
					Greater								Loans > 90
	30-59 Days		60-89 Days		than 90		Total Past						Days and
(Dollars in thousands)	Past Due		Past Due		Days		Due		Current		Total Loans		Accruing
Commercial	$	137	$	38	$	86	$	261	$	432,787	$	433,048	$
Municipal										166,210		166,210
Real estate:
Commercial		102		2		334		438		1,709,389		1,709,827
Residential		1,162		128		988		2,278		328,450		330,728		748
Consumer		690		199		120		1,009		89,294		90,303
Total	$	2,091	$	367	$	1,528	$	3,986	$	2,726,130	$	2,730,116	$	748

Schedule of nonaccrual loans

		December 31, 2023
		Total		Nonaccrual with		Nonaccrual with
		Nonaccrual		an Allowance for		no Allowance for
(Dollars in thousands)		Loans		Credit Losses		Credit Losses
Commercial	$	10	$	10	$
Municipal
Real estate:
Commercial		2,974		1,170		1,804
Residential		760				760
Consumer		218				218
Total	$	3,962	$	1,180	$	2,782

		December 31, 2022
		Total
		Nonaccrual
(Dollars in thousands)		Loans
Commercial	$	86
Municipal
Real estate:
Commercial		1,155
Residential		562
Consumer		232
Total	$	2,035

Summarized information concerning impaired loans

	December 31, 2022
							For the Year Ended
			Unpaid				Average		Interest
	Recorded		Principal		Related		Recorded		Income
(Dollars in thousands)	Investment		Balance		Allowance		Investment		Recognized
With no related allowance:
Commercial	$	78	$	421	$		$	119	$	7
Municipal
Real estate:
Commercial		2,063		2,654				2,753		59
Residential		1,520		1,733				1,036		28
Consumer		232		244				218
Total		3,893		5,052				4,126		94
With an allowance recorded:
Commercial		20		20		19		27		2
Municipal
Real estate:
Commercial
Residential		240		244		21		286		12
Consumer
Total		260		264		40		313		14
Total impaired loans
Commercial		98		441		19		146		9
Municipal
Real estate:
Commercial		2,063		2,654				2,753		59
Residential		1,760		1,977		21		1,322		40
Consumer		232		244				218
Total	$	4,153	$	5,316	$	40	$	4,439	$	108

Schedule of major classification of loans portfolio summarized by credit quality

(Dollars in thousands)		2023		2022		2021		2020		2019		Prior		Revolving Loans Amortized Cost Basis		Revolving Loans Converted to Term		Total
Commercial
Pass	$	9,856	$	38,172	$	28,127	$	29,966	$	44,551	$	82,190	$	131,536	$	650	$	365,048
Special Mention				876		182						49		832				1,939
Substandard		15		19		42				33		534		781				1,424
Total Commercial		9,871		39,067		28,351		29,966		44,584		82,773		133,149		650		368,411
Municipal
Pass		1,888		48,095		94,791		10,804		16		19,652		58				175,304
Special Mention
Substandard
Total Municipal		1,888		48,095		94,791		10,804		16		19,652		58				175,304
Commercial real estate
Pass		156,277		553,754		491,506		143,068		153,426		351,142				117		1,849,290
Special Mention				1,299						360		2,761						4,420
Substandard		169		1,338		1,520		160		697		5,524						9,408
Total Commercial real estate		156,446		556,391		493,026		143,228		154,483		359,427				117		1,863,118
Residential real estate
Pass		17,385		52,093		65,280		27,118		16,652		84,652		83,507		13,490		360,177
Special Mention
Substandard		4						329				288		5				626
Total Residential real estate		17,389		52,093		65,280		27,447		16,652		84,940		83,512		13,490		360,803
Consumer
Pass		27,053		30,307		12,460		5,441		3,107		2,981		694				82,043
Special Mention
Substandard				58		79		31		30		20						218
Total Consumer		27,053		30,365		12,539		5,472		3,137		3,001		694				82,261
Total Loans	$	212,647	$	726,011	$	693,987	$	216,917	$	218,872	$	549,793	$	217,413	$	14,257	$	2,849,897
Gross charge-offs
Commercial	$		$		$		$	21	$		$	33	$	4	$		$	58
Municipal
Commercial real estate												2,598						2,598
Residential real estate
Consumer				95		101		69		49		55						369
Total Gross charge-offs	$		$	95	$	101	$	90	$	49	$	2,686	$	4	$		$	3,025

	December 31, 2022
			Special
(Dollars in thousands)	Pass		Mention		Substandard		Doubtful	Total
Commercial	$	424,411	$	7,822	$	815	$	$	433,048
Municipal		166,210							166,210
Real estate:
Commercial		1,699,041		7,509		3,277			1,709,827
Residential		329,098				1,630			330,728
Consumer		90,020				283			90,303
Total	$	2,708,780	$	15,331	$	6,005	$	$	2,730,116

Schedule of information concerning nonaccrual loans by major loan classification

	December 31, 2023
					Real estate
(Dollars in thousands)	Commercial		Municipal		Commercial		Residential		Consumer		Total
Allowance for credit losses:
Beginning balance	$	4,365	$	1,247	$	17,915	$	3,072	$	873	$	27,472
Impact of adopting ASC 326		(1,683)		747		(3,344)		967		30		(3,283)
Beginning balance		2,682		1,994		14,571		4,039		903		24,189
Charge-offs		(58)				(2,598)				(369)		(3,025)
Recoveries		11				1		24		129		165
(Credits) provisions		(363)		(1,206)		2,179		(281)		237		566
Ending balance	$	2,272	$	788	$	14,153	$	3,782	$	900	$	21,895
Ending balance: individually evaluated for impairment		10				21						31
Ending balance: collectively evaluated for impairment	$	2,262	$	788	$	14,132	$	3,782	$	900	$	21,864
Loans receivable:
Ending balance	$	368,411	$	175,304	$	1,863,118	$	360,803	$	82,261	$	2,849,897
Individually evaluated - collateral dependent - real estate		7				2,974		1,749				4,730
Individually evaluated - collateral dependent - non-real estate		10										10
Collectively evaluated for impairment	$	368,404	$	175,304	$	1,860,144	$	359,054	$	82,261	$	2,845,167

	December 31, 2022
					Real estate
(Dollars in thousands)	Commercial		Municipal		Commercial		Residential		Consumer		Total
Allowance for loan losses:
Beginning balance	$	6,498	$	1,955	$	15,928	$	3,209	$	793	$	28,383
Charge-offs		(161)				(284)		(31)		(311)		(787)
Recoveries		40				110		4		171		325
(Credits) provisions		(2,012)		(708)		2,161		(110)		220		(449)
Ending balance	$	4,365	$	1,247	$	17,915	$	3,072	$	873	$	27,472
Ending balance: individually evaluated for impairment		19						21				40
Ending balance: collectively evaluated for impairment	$	4,346	$	1,247	$	17,915	$	3,051	$	873	$	27,432
Loans receivable:
Ending balance	$	433,048	$	166,210	$	1,709,827	$	330,728	$	90,303	$	2,730,116
Ending balance: individually evaluated for impairment		98				2,063		1,760				3,921
Ending balance: collectively evaluated for impairment	$	432,950	$	166,210	$	1,707,764	$	328,968	$	90,303	$	2,726,195

	December 31, 2021
					Real estate
(Dollars in thousands)	Commercial		Municipal		Commercial		Residential		Consumer		Total
Allowance for loan losses:
Beginning balance	$	7,849	$	885	$	14,559	$	3,129	$	922	$	27,344
Charge-offs		(492)				(252)		(24)		(188)		(956)
Recoveries		89				68		7		81		245
Provisions (credits)		(948)		1,070		1,553		97		(22)		1,750
Ending balance	$	6,498	$	1,955	$	15,928	$	3,209	$	793	$	28,383
Ending balance: individually evaluated for impairment		40				109		26				175
Ending balance: collectively evaluated for impairment	$	6,458	$	1,955	$	15,819	$	3,183	$	793	$	28,208
Loans receivable:
Ending balance	$	554,547	$	58,580	$	1,343,539	$	297,624	$	74,883	$	2,329,173
Ending balance: individually evaluated for impairment		199				2,890		1,273				4,362
Ending balance: collectively evaluated for impairment	$	554,348	$	58,580	$	1,340,649	$	296,351	$	74,883	$	2,324,811

Schedule of allowance for credit losses on off balance sheet commitments

(Dollars in thousands)		December 31, 2023		December 31, 2022		December 31, 2021
Beginning balance	$	179	$	137	$	122
Impact of adopting Topic 326		270
(Credit) debit recorded in noninterest expense		(406)		42		15
Total allowance for credit losses on off balance sheet commitments	$	43	$	179	$	137