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

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Amount, after allowance for credit loss and unamortized deferred fee, premium, and discount, of financing receivable covered under loss sharing agreement and financing receivable not covered under loss sharing agreement.

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Allowance for Credit Losses and Credit Quality - Allowance for Loan and Lease Losses and Balances Outstanding by Allowance Methodology (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Allowance for loan and lease losses, other credit loss reserves
Collectively evaluated for impairment		$ 102,186
Individually evaluated for impairment		7,237
Total	$ 525,868	113,052	$ 157,446	$ 171,041
Collectively evaluated for impairment		34,074,141
Individually evaluated for impairment		176,537
Total	34,466,408	34,497,464
Portfolios acquired with deteriorated credit quality
Allowance for loan and lease losses, other credit loss reserves
Total		3,629
Total		246,786
Consumer Loan Portfolio
Allowance for loan and lease losses, other credit loss reserves
Collectively evaluated for impairment		26,430
Individually evaluated for impairment		1,468
Total	136,894	28,572	80,017	98,085
Collectively evaluated for impairment		11,087,534
Individually evaluated for impairment		60,694
Total	10,524,207	11,221,123
Consumer Loan Portfolio \| Portfolios acquired with deteriorated credit quality
Allowance for loan and lease losses, other credit loss reserves
Total		674
Total		72,895
Commercial Loan and Lease Portfolio
Allowance for loan and lease losses, other credit loss reserves
Collectively evaluated for impairment		75,756
Individually evaluated for impairment		5,769
Total	388,974	84,480	$ 77,429	$ 72,956
Collectively evaluated for impairment		22,986,607
Individually evaluated for impairment		115,843
Total	$ 23,942,201	23,276,341
Commercial Loan and Lease Portfolio \| Portfolios acquired with deteriorated credit quality
Allowance for loan and lease losses, other credit loss reserves
Total		2,955
Total		$ 173,891