Financing Receivable, Allowance for Credit Loss and Unfunded Lending Commitments, Total

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- Definition

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

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

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

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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Loans And Allowance For Credit Losses (Summary of Activity in the Allowance for Credit Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Jun. 30, 2020	Jan. 01, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss	$ 236,360	$ 236,360	$ 240,744	$ 139,643
Financing Receivable, Credit Loss, Expense (Reversal)	3,200	123,559
Financing Receivable, Allowance for Credit Loss, Writeoff	10,649	36,286
Financing Receivable, Allowance for Credit Loss, Recovery	3,065	9,444
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total	7,584	26,842
Off-Balance Sheet, Credit Loss, Liability	35,200	35,200	35,299	17,165	$ 1,075
Off-Balance Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)	(99)	18,035
Financing Receivable, Allowance for Credit Loss and Unfunded Lending Commitments, Total	271,560	271,560
Previously Reported [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss			240,744		160,682
Off-Balance Sheet, Credit Loss, Liability			35,299		1,075
Revision of Prior Period, Adjustment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss			0	(21,039)
Off-Balance Sheet, Credit Loss, Liability			0	16,090
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss	128,424	128,424	130,553	62,049
Financing Receivable, Credit Loss, Expense (Reversal)	(1,935)	69,418
Financing Receivable, Allowance for Credit Loss, Writeoff	357	4,159
Financing Receivable, Allowance for Credit Loss, Recovery	163	1,116
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total	194	3,043
Off-Balance Sheet, Credit Loss, Liability	33,992	33,992	34,052	16,456
Off-Balance Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)	(60)	17,536
Financing Receivable, Allowance for Credit Loss and Unfunded Lending Commitments, Total	162,416	162,416
Commercial Portfolio Segment [Member] \| Previously Reported [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss			130,553		91,760
Off-Balance Sheet, Credit Loss, Liability			34,052		399
Commercial Portfolio Segment [Member] \| Revision of Prior Period, Adjustment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss			0	(29,711)
Off-Balance Sheet, Credit Loss, Liability			0	16,057
Personal Banking Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss	107,936	107,936	110,191	77,594
Financing Receivable, Credit Loss, Expense (Reversal)	5,135	54,141
Financing Receivable, Allowance for Credit Loss, Writeoff	10,292	32,127
Financing Receivable, Allowance for Credit Loss, Recovery	2,902	8,328
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total	7,390	23,799
Off-Balance Sheet, Credit Loss, Liability	1,208	1,208	1,247	709
Off-Balance Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)	(39)	499
Financing Receivable, Allowance for Credit Loss and Unfunded Lending Commitments, Total	$ 109,144	$ 109,144
Personal Banking Portfolio Segment [Member] \| Previously Reported [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss			110,191		68,922
Off-Balance Sheet, Credit Loss, Liability			1,247		$ 676
Personal Banking Portfolio Segment [Member] \| Revision of Prior Period, Adjustment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss			0	8,672
Off-Balance Sheet, Credit Loss, Liability			$ 0	$ 33