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Loans (Tables)

6 Months Ended

Jun. 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):

						June 30, 2022						December 31, 2021
						(dollars in thousands)
Commercial loans:
Commercial real estate						$	5,251,100					$	4,981,263
Commercial business						3,646,956						3,423,268
Agriculture						853,099						795,715
Construction						482,211						384,755
Consumer loans:
One-to-four family residential real estate						1,042,190						1,013,908
Other consumer						46,831						43,028
Total loans						11,322,387						10,641,937
Less: Allowance for credit losses						(149,935)						(155,578)
Total loans, net						$	11,172,452					$	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
June 30, 2022						(in thousands)
Commercial loans:
Commercial real estate						$	5,244,961					$	1,281					$	2,183					$	—					$	3,464					$	2,675					$	5,251,100
Commercial business						3,621,858						14,910						241						—						15,151						9,947						3,646,956
Agriculture						849,483						400						—						—						400						3,216						853,099
Construction						481,238						973						—						—						973						—						482,211
Consumer loans:
One-to-four family residential real estate						1,038,770						1,537						743						—						2,280						1,140						1,042,190
Other consumer						46,693						108						10						—						118						20						46,831
Total						$	11,283,003					$	19,209					$	3,177					$	—					$	22,386					$	16,998					$	11,322,387
						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 June 30,												Six Months Ended June 30,
						2022						2021						2022						2021
						(in thousands)
Commercial loans						$	71					$	212					$	139					$	424
Consumer loans						1						2						8						9
Total						$	72					$	214					$	147					$	433

Analysis of Nonaccrual Loans

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

						June 30, 2022						December 31, 2021
						(in thousands)
Commercial loans:
Commercial real estate						$	1,760					$	932
Commercial business						4,036						5,131
Agriculture						2,079						3,756
Consumer loans:
One-to-four family residential real estate						751						—
Total						$	8,626					$	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 June 30, 2022																		Three Months Ended June 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						—						—						—						4						$	1,757					$	1,757
Total						—						$	—					$	—					4						$	1,757					$	1,757

						Six Months Ended June 30, 2022																		Six Months Ended June 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						—						—						—						11						2,600						2,600
Agriculture						1						633						633						—						—						—
Consumer loans:
One-to-four family residential real estate						—						—						—						2						140						140
Total						1						$	633					$	633					14						$	3,368					$	3,368

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