Consumer and other retail loans charged off past due period.

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- Definition

Financing Receivable, Deferral Period

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- Definition

Loans and the allowance for loan losses.

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No definition available.

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- Definition

Nonperforming loans charged off past due period.

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No definition available.

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- Definition

Number of Restructured Loans

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No definition available.

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- Definition

Maximum duration past due for restructured loans to be considered performing.

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No definition available.

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- Definition

Unfunded commitment.

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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.

+ References

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

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- Definition

Amount of financing receivable modified as troubled debt restructuring.

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- Definition

Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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- Definition

Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring.

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

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Non Purchased Loans - Narrative (Details)	3 Months Ended	12 Months Ended
Non Purchased Loans - Narrative (Details)	Mar. 31, 2020	Dec. 31, 2020 USD ($) loan	Dec. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($) loan	Dec. 31, 2017 USD ($)
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]
Outstanding balance of restructured loans		$ 10,757,503,000	$ 9,637,476,000
Minimum duration for past due residential loans to be considered as nonperforming		90 days
Allowance for loan losses attributable to restructured loans		$ 176,144,000	$ 52,162,000	$ 49,026,000	$ 46,211,000
Non-Purchased
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]
Nonperforming loans charged-off past due period		90 days
Number of restructured loans \| loan		2	2
Minimum duration for past due residential loans to be considered as nonperforming		90 days	90 days
Modifications, recorded investment		$ 11,761,000	$ 4,679,000	5,325,000
Modifications, subsequent default, recorded investment		448,000		$ 139,000
Remaining availability under commitments to lend additional funds on restructured loans		$ 0	$ 0
Consumer and other retail loans charged off past due period		180 days
Number of loan modifications \| loan		38	7	11
Modified loans, balance		$ 9,040,000	$ 647,000	$ 1,858,000
Unfunded commitment		$ 19,911,000	7,266,000
Average recorded investment in impaired loans			38,188,000	27,080,000
Interest income, impaired			823,000	$ 549,000
Non-Purchased \| Payment Deferral \| Loan Deferral Program, CARES Act
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]
Deferral period	90 days
Number of loan modifications \| loan		622
Modified loans, balance		$ 112,000,000
Non-Purchased \| Nonaccruing Loans
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]
Outstanding balance of restructured loans		177,000	164,000
Non-Purchased \| Restructured Loans
Loans and Allowance for Loan Losses (Additional Textual) [Abstract]
Outstanding balance of restructured loans		5,787,000	3,058,000
Allowance for loan losses attributable to restructured loans		$ 337,000	$ 125,000