Fair Value Accounting (Changes in Level 3 Fair Value Measurements) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnout Liability
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ (6,427)	$ (15,924)	$ (5,677)	$ (11,016)
Included in earnings	243	0	(507)	(4,908)
Sales			0
Unrealized gains (losses) included in OCI		0		0
Additions	0	0	0	0
Settlements	6,184	0	6,184	0
Ending balance	0	(15,924)	0	(15,924)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held	0	0	0	(4,908)
Visa Derivative
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	(1,473)	(1,755)	(2,048)	(2,339)
Included in earnings	0	0	0	0
Sales			0
Unrealized gains (losses) included in OCI		0		0
Additions	0	0	0	0
Settlements	302	295	877	879
Ending balance	(1,171)	(1,460)	(1,171)	(1,460)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held	0	0	0	0
Other Investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0		0
Included in earnings	0		0
Sales			0
Additions	10,000		10,000
Settlements	0		0
Ending balance	10,000		10,000
Total net gains (losses) for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held	0		0
Investment Securities Available for Sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance		1,662	2,021	2,105
Included in earnings		0	0	0
Sales			(2,021)
Unrealized gains (losses) included in OCI		138		(305)
Additions		0	0	0
Settlements		0	0	0
Ending balance	0	1,800	0	1,800
Total net gains (losses) for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held		0	0	0
Private Equity Investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	1,026	698	1,021	3,887
Included in earnings	(35)	260	(30)	(2,929)
Sales			0
Unrealized gains (losses) included in OCI		0		0
Additions	0	0	0	0
Settlements	0	0	0	0
Ending balance	991	958	991	958
Total net gains (losses) for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held	(35)	260	(30)	(2,929)
GGL / SBA Loans Servicing Asset
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	3,321	3,019	3,258	3,040
Included in earnings	(467)	(187)	(897)	(742)
Sales			0
Unrealized gains (losses) included in OCI		0		0
Additions	534	268	1,027	802
Settlements	0	0	0	0
Ending balance	3,388	3,100	3,388	3,100
Total net gains (losses) for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held	$ 0	$ 0	$ 0	$ 0

Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Additions

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- Definition

Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease), Included in Earnings

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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.

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- Definition

Amount of gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3).

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- Definition

Amount of gain (loss) recognized in other comprehensive income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3).

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- Definition

Amount of sales of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of settlements of financial instrument classified as a derivative asset (liability) after deduction of derivative liability, measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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