Change in allowance for credit losses due to adoption of new ASU

No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

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- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

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- Definition

Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration.

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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

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Allowance for Credit Losses and Unfunded Commitments and Letters of Credit (Allowance for Credit Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2020	Dec. 31, 2018
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Credit Loss	$ 155,578	$ 149,140	$ 83,968		$ 83,369
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	2,616
Financing Receivable, Allowance for Credit Loss, Writeoff	9,063	21,092	15,215
Financing Receivable, Allowance for Credit Loss, Recovery	8,085	6,932	12,321
Provision (recapture) for credit losses	4,800	77,700	3,493
Commercial Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Credit Loss	61,254	68,934	20,340		14,864
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	2,225
Financing Receivable, Allowance for Credit Loss, Writeoff	1,044	1,419	2,160
Financing Receivable, Allowance for Credit Loss, Recovery	633	131	3,377
Provision (recapture) for credit losses	(9,494)	42,349	4,259
Commercial Business
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Credit Loss	54,712	45,250	30,292		34,658
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	30
Financing Receivable, Allowance for Credit Loss, Writeoff	6,364	12,396	11,290
Financing Receivable, Allowance for Credit Loss, Recovery	4,862	3,438	3,066
Provision (recapture) for credit losses	10,934	23,154	3,858
Agriculture
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Credit Loss	8,148	9,052	15,835		9,589
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	38
Financing Receivable, Allowance for Credit Loss, Writeoff	322	6,427	245
Financing Receivable, Allowance for Credit Loss, Recovery	355	172	299
Provision (recapture) for credit losses	(975)	8,797	6,192
Construction
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Credit Loss	5,397	7,636	8,571		14,395
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	35
Financing Receivable, Allowance for Credit Loss, Writeoff	0	0	242
Financing Receivable, Allowance for Credit Loss, Recovery	593	709	3,641
Provision (recapture) for credit losses	(2,867)	106	(9,223)
Real estate: One-to-four family residential
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Credit Loss	24,123	16,875	7,435		8,024
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	286
Financing Receivable, Allowance for Credit Loss, Writeoff	170	84	1,196
Financing Receivable, Allowance for Credit Loss, Recovery	907	2,083	1,773
Provision (recapture) for credit losses	6,225	3,204	(1,166)
Consumer Loan
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Credit Loss	1,944	1,393	883		786
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	2
Financing Receivable, Allowance for Credit Loss, Writeoff	1,163	766	82
Financing Receivable, Allowance for Credit Loss, Recovery	735	399	165
Provision (recapture) for credit losses	$ 977	99	14
Unallocated Financing Receivables [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Allowance for Credit Loss		0	612		$ 1,053
Financing Receivable, Allowance for Credit Loss, Writeoff		0	0
Financing Receivable, Allowance for Credit Loss, Recovery		0	0
Provision (recapture) for credit losses		$ (9)	$ (441)
Accounting Standards Update 2016-13
Allowance for Loan and Lease Losses [Roll Forward]
Change in allowance for credit loss due to adoption of new ASU				$ 1,632
Accounting Standards Update 2016-13 \| Commercial Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Change in allowance for credit loss due to adoption of new ASU				7,533
Accounting Standards Update 2016-13 \| Commercial Business
Allowance for Loan and Lease Losses [Roll Forward]
Change in allowance for credit loss due to adoption of new ASU				762
Accounting Standards Update 2016-13 \| Agriculture
Allowance for Loan and Lease Losses [Roll Forward]
Change in allowance for credit loss due to adoption of new ASU				(9,325)
Accounting Standards Update 2016-13 \| Construction
Allowance for Loan and Lease Losses [Roll Forward]
Change in allowance for credit loss due to adoption of new ASU				(1,750)
Accounting Standards Update 2016-13 \| Real estate: One-to-four family residential
Allowance for Loan and Lease Losses [Roll Forward]
Change in allowance for credit loss due to adoption of new ASU				4,237
Accounting Standards Update 2016-13 \| Consumer Loan
Allowance for Loan and Lease Losses [Roll Forward]
Change in allowance for credit loss due to adoption of new ASU				778
Accounting Standards Update 2016-13 \| Unallocated Financing Receivables [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Change in allowance for credit loss due to adoption of new ASU				$ (603)