Loans and Leases (Narrative) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Interest receivable	$ 91,000	$ 107,700
Loans held for sale	107,800	124,800
total remaining discount	50,308	64,727
PCD Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Remaining discount	35,806	45,254
Non-PCI Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums	69,025	50,217
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Purchase Discount Remaining	14,502	19,473
Non-PCI Loans \| SBA-PPP
Financing Receivable, Credit Quality Indicator [Line Items]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums	(54,855)	41,064
Non-PCI Loans \| Other Portfolio
Financing Receivable, Credit Quality Indicator [Line Items]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums	$ (14,170)	$ 9,153

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Purchase Discount Remaining

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- Definition

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+ References

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- Definition

Amount of unamortized purchase premium (discount) on financing receivable. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 20
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- Definition

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

+ References

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-Publisher FASB
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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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