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Fair Value Accounting (Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Visa Derivative |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | $ (3,453) | $ (3,535)
Included in earnings | 0 | 0
Additions | 0 | 0
Settlements | 2,342 | 1,759
Ending balance | (1,111) | (1,776)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gain/(losses) relating to assets/liabilities still held | 0 | 0
Other Investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 11,172 | 12,185
Included in earnings | (28) | (92)
Additions | 511 | 0
Settlements | 0 | 0
Ending balance | 11,655 | 12,093
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gain/(losses) relating to assets/liabilities still held | (28) | (92)
SBA Loans Servicing Asset |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 2,354 | 3,233
Included in earnings | (212) | (262)
Additions | 270 | 480
Settlements | 0 | 0
Ending balance | 2,412 | 3,451
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gain/(losses) relating to assets/liabilities still held | $ (212) | $ (262)

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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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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. + References No definition available. + Details
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- Definition Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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