Receivables [Abstract]

Summary of Unamortized Net Costs and Premiums in Business Activity Loans


(in thousands)	December 31, 2020		December 31, 2019
Unamortized net loan origination costs	$	5,157	$	3,603
Unamortized net premium on purchased loans		(85)		(134)
Total unamortized net costs and premiums	$	5,072	$	3,469

Summary of Past Due Loans

Business Activities Loans


					90 Days or								Past Due >
	30-59 Days		60-89 Days		Greater		Total Past						90 days and
(in thousands)	Past Due		Past Due		Past Due		Due		Current		Total Loans		Accruing
December 31, 2020
Commercial real estate:
Construction and land development	$	—	$	—	$	1	$	1	$	129,254	$	129,255	$	—
Other commercial real estate		454		464		850		1,768		764,094		765,862		—
Total commercial real estate		454		464		851		1,769		893,348		895,117		—

Commercial and industrial:
Commercial		5		310		157		472		314,533		315,005		—
Agricultural		7		—		36		43		16,754		16,797		—
Tax exempt		—		—		—		—		39,429		39,429		—
Total commercial and industrial		12		310		193		515		370,716		371,231		—

Total commercial loans		466		774		1,044		2,284		1,264,064		1,266,348		—

Residential real estate:
Residential mortgages		6,219		1,767		973		8,959		624,431		633,390		—
Total residential real estate		6,219		1,767		973		8,959		624,431		633,390		—

Consumer:
Home equity		95		137		170		402		54,690		55,092		3
Other consumer		20		—		2		22		9,902		9,924		—
Total consumer		115		137		172		424		64,592		65,016		3

Total loans	$	6,800	$	2,678	$	2,189	$	11,667	$	1,953,087	$	1,964,754	$	3

Acquired Loans


					90 Days or				Acquired				Past Due >
	30-59 Days		60-89 Days		Greater		Total Past		Credit				90 days and
(in thousands)	Past Due		Past Due		Past Due		Due		Impaired		Total Loans		Accruing
December 31, 2020
Commercial real estate:
Construction and land development	$	—	$	—	$	—	$	—	$	74	$	1,868	$	—
Other commercial real estate		2,360		105		695		3,160		6,359		187,396		—
Total commercial real estate		2,360		105		695		3,160		6,433		189,264		—

Commercial and industrial:
Commercial		184		—		131		315		870		45,683		—
Agricultural		—		—		—		—		153		153		—
Tax exempt		—		—		—		—		—		24,002		—
Total commercial and industrial		184		—		131		315		1,023		69,838		—

Total commercial loans		2,544		105		826		3,475		7,456		259,102		—

Residential real estate:
Residential mortgages		785		579		1,155		2,519		4,532		290,501		121
Total residential real estate		785		579		1,155		2,519		4,532		290,501		121

Consumer:
Home equity		971		486		101		1,558		659		47,372		—
Other consumer		—		—		—		—		39		1,156		—
Total consumer		971		486		101		1,558		698		48,528		—

Total loans	$	4,300	$	1,170	$	2,082	$	7,552	$	12,686	$	598,131	$	121

Business Activities Loans


					90 Days or								Past Due >
	30-59 Days		60-89 Days		Greater		Total Past						90 days and
(in thousands)	Past Due		Past Due		Past Due		Due		Current		Total Loans		Accruing
December 31, 2019
Commercial real estate:
Construction and land development	$	205	$	53	$	—	$	258	$	31,129	$	31,387	$	—
Other commercial real estate		40		1,534		1,810		3,384		662,667		666,051		—
Total commercial real estate		245		1,587		1,810		3,642		693,796		697,438		—

Commercial and industrial:
Commercial		452		50		894		1,396		238,296		239,692		—
Agricultural		62		34		96		192		19,826		20,018		—
Tax exempt		—		—		—		—		66,860		66,860		—
Total commercial and industrial		514		84		990		1,588		324,982		326,570		—

Total commercial loans		759		1,671		2,800		5,230		1,018,778		1,024,008		—

Residential real estate:
Residential mortgages		7,293		1,243		668		9,204		724,984		734,188		—
Total residential real estate		7,293		1,243		668		9,204		724,984		734,188		—

Consumer:
Home equity		597		43		429		1,069		58,299		59,368		50
Other consumer		36		12		—		48		11,119		11,167		—
Total consumer		633		55		429		1,117		69,418		70,535		50

Total loans	$	8,685	$	2,969	$	3,897	$	15,551	$	1,813,180	$	1,828,731	$	50

Acquired Loans


					90 Days or				Acquired				Past Due >
	30-59 Days		60-89 Days		Greater		Total Past		Credit				90 days and
(in thousands)	Past Due		Past Due		Past Due		Due		Impaired		Total Loans		Accruing
December 31, 2019
Commercial real estate:
Construction and land development	$	—	$	12	$	—	$	12	$	384	$	2,903	$	—
Other commercial real estate		2,029		245		231		2,505		8,289		230,320		—
Total commercial real estate		2,029		257		231		2,517		8,673		233,223		—

Commercial and industrial:
Commercial		440		335		140		915		2,723		59,072		—
Agricultural		—		—		—		—		173		206		—
Tax exempt		—		—		—		—		36		37,443		—
Total commercial and industrial		440		335		140		915		2,932		96,721		—

Total commercial loans		2,469		592		371		3,432		11,605		329,944		—

Residential real estate:
Residential mortgages		3,185		864		1,015		5,064		5,591		411,170		—
Total residential real estate		3,185		864		1,015		5,064		5,591		411,170		—

Consumer:
Home equity		208		548		217		973		1,291		63,033		217
Other consumer		2		9		—		11		66		1,715		—
Total consumer		210		557		217		984		1,357		64,748		217

Total loans	$	5,864	$	2,013	$	1,603	$	9,480	$	18,553	$	805,862	$	217

Schedule of Loans Evaluated for Impairment

Business Activities Loans


	Commercial		Commercial		Residential
(in thousands)	real estate		and industrial		real estate		Consumer		Total
December 31, 2020
Balance at end of period
Individually evaluated for impairment	$	2,222	$	997	$	2,215	$	12	$	5,446
Collectively evaluated		892,895		370,234		631,175		65,004		1,959,308
Total	$	895,117	$	371,231	$	633,390	$	65,016	$	1,964,754

Acquired Loans


	Commercial		Commercial		Residential
(in thousands)	real estate		and industrial		real estate		Consumer		Total
December 31, 2020
Balance at end of period
Individually evaluated for impairment	$	2,338	$	294	$	668	$	—	$	3,300
Purchased credit impaired		6,433		1,023		4,532		698		12,686
Collectively evaluated		180,493		68,521		285,301		47,830		582,145
Total	$	189,264	$	69,838	$	290,501	$	48,528	$	598,131

Business Activities Loans


	Commercial		Commercial		Residential
(in thousands)	real estate		and industrial		real estate		Consumer		Total
December 31, 2019
Balance at end of period
Individually evaluated for impairment	$	3,964	$	1,353	$	2,620	$	13	$	7,950
Collectively evaluated		693,474		325,217		731,568		70,522		1,820,781
Total	$	697,438	$	326,570	$	734,188	$	70,535	$	1,828,731

Acquired Loans


	Commercial		Commercial		Residential
(in thousands)	real estate		and industrial		real estate		Consumer		Total
December 31, 2019
Balance at end of period
Individually evaluated for impairment	$	258	$	385	$	1,032	$	—	$	1,675
Purchased credit impaired		8,673		2,932		5,591		1,357		18,553
Collectively evaluated		224,292		93,404		404,547		63,391		785,634
Total	$	233,223	$	96,721	$	411,170	$	64,748	$	805,862

Summary of the Average Recorded Investment and Interest Income Recognized on Impaired Loans

Business Activities Loan


	Year Ended December 31, 2020				Year Ended December 31, 2019
	Average Recorded		Interest		Average Recorded		Interest
(in thousands)	Investment		Income Recognized		Investment		Income Recognized
With no related allowance:
Construction and land development	$	—	$	—	$	—	$	—
Other commercial real estate		392		—		5,434		55
Commercial		842		4		871		5
Agricultural		114		2		—		—
Tax exempt loans		—		—		—		—
Residential real estate		641		17		2,089		47
Home equity		—		—		—		—
Other consumer		—		—		—		—

With an allowance recorded:
Construction and land development		203		—		56		1
Other commercial real estate		1,295		14		1,737		—
Commercial		—		—		153		—
Agricultural		—		—		—		—
Tax exempt loans		—		—		—		—
Residential real estate		1,616		37		540		7
Home equity		12		1		13		—
Other consumer		—		—		—		—

Total
Commercial real estate		1,890		14		7,227		56
Commercial and industrial		956		6		1,024		5
Residential real estate		2,257		54		2,629		54
Consumer		12		1		13		—
Total impaired loans	$	5,115	$	75	$	10,893	$	115

Acquired Loans


	Year Ended December 31, 2020				Year Ended December 31, 2019
	Average Recorded		Interest		Average Recorded		Interest
(in thousands)	Investment		Income Recognized		Investment		Income Recognized
With no related allowance:
Construction and land development	$	—	$	—	$	—	$	—
Other commercial real estate		1,218		—		89		—
Commercial		298		—		429		—
Agricultural		—		—		—		—
Tax exempt loans		—		—		—		—
Residential real estate		436		—		652		—
Home equity		—		—		—		—
Other consumer		—		—		—		—

With an allowance recorded:
Construction and land development		—		—		—		—
Other commercial real estate		678		3		123		—
Commercial		73		—		—		—
Agricultural		—		—		—		—
Tax exempt loans		—		—		—		—
Residential real estate		249		—		361		—
Home equity		—		—		—		—
Other consumer		—		—		—		—

Total
Commercial real estate		1,896		3		212		—
Commercial and industrial		371		—		429		—
Residential real estate		685		—		1,013		—
Consumer		—		—		—		—
Total impaired loans	$	2,952	$	3	$	1,654	$	—

Summary of Loan Concessions


	Year Ended December 31,
	2020			2019			2018
		Post-Modification			Post-Modification			Post-Modification
		Outstanding			outstanding			outstanding
	Number of	Recorded		Number of	Recorded		Number of	Recorded
(in thousands, except modifications)	Modifications	Investment		Modifications	Investment		Modifications	Investment
Troubled Debt Restructurings
Interest only payments and maturity concession	—	$	—	2	$	73	1	$	16
Interest rate, forbearance and maturity concession	4		384	—		—	—		—
Amortization and maturity concession	—		—	4		273	1		286
Amortization, interest rate and maturity concession	—		—	5		539	—		—
Forbearance	—		—	5		346	3		271
Forbearance and interest only payments	1		24	7		692	6		121
Forbearance and interest rate concession	—		—	—		—	1		49
Forbearance and maturity concession	—		—	4		472	20		2,030
Maturity concession	5		193	—		—	2		440
Restructure without concession	—		—	—		—	5		1,419
Other	—		—	4		235	2		282
Total	10	$	601	31	$	2,630	41	$	4,914

Schedule of Servicing Rights Activity


	At or for the Twelve Months Ended December 31,
(in thousands)	2020		2019
Balance at beginning of year	$	3,001	$	3,086
Additions		1,152		160
Amortization		(800)		(245)
Balance at end of year	$	3,353	$	3,001