Loans (Tables)

9 Months Ended

Sep. 30, 2022

Financing Receivable, Credit Quality Indicator - interest written off on nonaccrual loans [Line Items]

Analysis of Loan Portfolio by Major Types of Loans

The Company’s loan portfolio includes originated and purchased loans. The following is an analysis of the loan portfolio by segment and class (net of unearned income):

	September 30, 2022		December 31, 2021
	(dollars in thousands)
Commercial loans:
Commercial real estate	$	5,375,051	$	4,981,263
Commercial business	3,783,696		3,423,268
Agriculture	903,260		795,715
Construction	512,308		384,755
Consumer loans:
One-to-four family residential real estate	1,071,222		1,013,908
Other consumer	46,724		43,028
Total loans	11,692,261		10,641,937
Less: Allowance for credit losses	(154,871)		(155,578)
Total loans, net	$	11,537,390	$	10,486,359

Analysis of the Aged Loan Portfolio

The following is an aging of the recorded investment of the loan portfolio at the dates presented:

	Current Loans		30 - 59 Days Past Due		60 - 89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Nonaccrual Loans		Total Loans
September 30, 2022	(in thousands)
Commercial loans:
Commercial real estate	$	5,359,998	$	4,753	$	6,869	$	—	$	11,622	$	3,431	$	5,375,051
Commercial business	3,764,976		7,565		3,974		—		11,539		7,181		3,783,696
Agriculture	900,462		509		110		—		619		2,179		903,260
Construction	512,171		137		—		—		137		—		512,308
Consumer loans:
One-to-four family residential real estate	1,067,427		2,640		553		—		3,193		602		1,071,222
Other consumer	46,526		103		3		—		106		92		46,724
Total	$	11,651,560	$	15,707	$	11,509	$	—	$	27,216	$	13,485	$	11,692,261
	Current Loans		30 - 59 Days Past Due		60 - 89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Nonaccrual Loans		Total Loans
December 31, 2021	(in thousands)
Commercial loans:
Commercial real estate	$	4,977,781	$	—	$	1,610	$	—	$	1,610	$	1,872	$	4,981,263
Commercial business	3,406,539		2,721		687		—		3,408		13,321		3,423,268
Agriculture	789,112		1,207		—		—		1,207		5,396		795,715
Construction	384,755		—		—		—		—		—		384,755
Consumer loans:
One-to-four family residential real estate	1,010,343		921		211		—		1,132		2,433		1,013,908
Other consumer	42,998		11		—		—		11		19		43,028
Total	$	10,611,528	$	4,860	$	2,508	$	—	$	7,368	$	23,041	$	10,641,937

Interest written off on nonaccrual loans

The following table summarizes written-off interest on nonaccrual loans for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in thousands)
Commercial loans	$	288	$	83	$	427	$	507
Consumer loans	6		16		14		25
Total	$	294	$	99	$	441	$	532

Analysis of Nonaccrual Loans

The following summarizes the amortized cost of nonaccrual loans for which there was no related ACL for the periods indicated:

	September 30, 2022		December 31, 2021
	(in thousands)
Commercial loans:
Commercial real estate	$	3,113	$	932
Commercial business	1,465		5,131
Agriculture	1,192		3,756
Total	$	5,770	$	9,819

Analysis of loans classified as Troubled Debt Restructurings (“TDR”)

The following is an analysis of loans classified as TDR for the periods indicated:

	Three Months Ended September 30, 2022					Three Months Ended September 30, 2021
	Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
	(dollars in thousands)
Commercial loans:
Commercial business	1	548		548		—	$	—	$	—
Consumer loans:
One-to-four family residential real estate	1	50		50		1	15		15
Total	2	$	598	$	598	1	$	15	$	15

	Nine Months Ended September 30, 2022					Nine Months Ended September 30, 2021
	Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
	(dollars in thousands)
Commercial loans:
Commercial real estate	—	$	—	$	—	1	$	628	$	628
Commercial business	1	548		548		11	2,600		2,600
Agriculture	1	633		633		—	—		—
Consumer loans:
One-to-four family residential real estate	1	50		50		3	155		155
Total	3	$	1,231	$	1,231	15	$	3,383	$	3,383