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Loans and Allowance for Loan Losses (Schedule of Allowances for Loan Losses and Recorded Investment in Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Allowance for loan losses: |  |
Beginning balance | $ 443,424 | $ 427,597
Charge-offs | (25,335) | (25,147)
Recoveries | 6,785 | 6,538
Provision for (reversal of) loan losses | 32,136 | 5,968
Ending balance | 457,010 | 414,956
Commercial & Industrial |  |
Allowance for loan losses: |  |
Beginning balance | 161,550 | 188,364
Charge-offs | (7,873) | (13,763)
Recoveries | 3,476 | 2,363
Provision for (reversal of) loan losses | 1,535 | 1,758
Ending balance | 158,688 | 178,722
Commercial Real Estate |  |
Allowance for loan losses: |  |
Beginning balance | 143,575 | 97,760
Charge-offs | (96) | (2,456)
Recoveries | 284 | 361
Provision for (reversal of) loan losses | 16,629 | (969)
Ending balance | 160,392 | 94,696
Total consumer |  |
Allowance for loan losses: |  |
Beginning balance | 138,299 | 141,473
Charge-offs | (17,366) | (8,928)
Recoveries | 3,025 | 3,814
Provision for (reversal of) loan losses | 13,972 | 5,179
Ending balance | $ 137,930 | $ 141,538

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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