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Loans (Tables)

3 Months Ended

Mar. 31, 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):

						March 31, 2022						December 31, 2021
						(dollars in thousands)
Commercial loans:
Commercial real estate						$	5,047,472					$	4,981,263
Commercial business						3,492,307						3,423,268
Agriculture						765,319						795,715
Construction						409,242						384,755
Consumer loans:
One-to-four family residential real estate						1,003,157						1,013,908
Other consumer						42,187						43,028
Total loans						10,759,684						10,641,937
Less: Allowance for credit losses						(146,949)						(155,578)
Total loans, net						$	10,612,735					$	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
March 31, 2022						(in thousands)
Commercial loans:
Commercial real estate						$	5,045,647					$	886					$	—					$	—					$	886					$	939					$	5,047,472
Commercial business						3,478,768						3,013						325						—						3,338						10,201						3,492,307
Agriculture						755,439						4,332						495						—						4,827						5,053						765,319
Construction						409,242						—						—						—						—						—						409,242
Consumer loans:
One-to-four family residential real estate						1,001,426						495						—						—						495						1,236						1,003,157
Other consumer						42,151						24						—						—						24						12						42,187
Total						$	10,732,673					$	8,750					$	820					$	—					$	9,570					$	17,441					$	10,759,684
						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 March 31,
						2022						2021
						(in thousands)
Commercial loans						$	68					$	211
Consumer loans						8						7
Total						$	76					$	218

Analysis of Nonaccrual Loans

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

						March 31, 2022						December 31, 2021
						(in thousands)
Commercial loans:
Commercial real estate						$	—					$	932
Commercial business						4,418						5,131
Agriculture						3,662						3,756
Consumer loans:
One-to-four family residential real estate						774						—
Total						$	8,854					$	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 March 31, 2022																		Three Months Ended March 31, 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						—						—						—						7						$	843					$	843
Agriculture						1						633						633						—						—						—
Consumer loans:
One-to-four family residential real estate						—						—						—						2						140						140
Total						1						$	633					$	633					10						$	1,611					$	1,611

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