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Loans (Age Analysis of Past Due Consumer Loans, Segregated By Class and Year of Origination) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | $ 17,154,969 | $ 16,336,397
Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 80,940 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 43,270 |
Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 124,210 |
Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 17,030,759 |
Total consumer real estate loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 1,843,539 | 1,410,790
Total consumer real estate loans [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 679,330 | 506,450
Total consumer real estate loans [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 12,770 | 12,725
Total consumer real estate loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 7,856 | 4,877
Total consumer real estate loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 565 | 126
Total consumer real estate loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 1,202 | 1,732
Total consumer real estate loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 2,690 | 2,513
Total consumer real estate loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 347 | 991
Total consumer real estate loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 914 | 185
Total consumer real estate loans [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 10,546 | 7,390
Total consumer real estate loans [Member] | Financial Asset, Past Due | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 912 | 1,117
Total consumer real estate loans [Member] | Financial Asset, Past Due | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 2,116 | 1,917
Total consumer real estate loans [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 1,832,993 | 1,403,400
Total consumer real estate loans [Member] | Financial Asset, Not Past Due | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 678,418 | 505,333
Total consumer real estate loans [Member] | Financial Asset, Not Past Due | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 10,654 | 10,808
Consumer Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 492,726 | 477,369
Consumer Loan [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 372,456 | 372,225
Consumer Loan [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 23,732 | 26,318
Consumer Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 5,155 | 4,185
Consumer Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 314 | 325
Consumer Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 1,443 | 1,943
Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 311 | 1,076
Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 25 | 34
Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 194 | 449
Consumer Loan [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 5,466 | 5,261
Consumer Loan [Member] | Financial Asset, Past Due | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 339 | 359
Consumer Loan [Member] | Financial Asset, Past Due | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 1,637 | 2,392
Consumer Loan [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 487,260 | 472,108
Consumer Loan [Member] | Financial Asset, Not Past Due | Revolving Credit Facility |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 372,117 | 371,866
Consumer Loan [Member] | Financial Asset, Not Past Due | Revolving Loans Converted to Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 22,095 | 23,926
2022 | Total consumer real estate loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 404,475 |
2022 | Total consumer real estate loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 793 |
2022 | Total consumer real estate loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 95 |
2022 | Total consumer real estate loans [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 888 |
2022 | Total consumer real estate loans [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 403,587 |
2022 | Consumer Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 62,636 |
2022 | Consumer Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 2,673 |
2022 | Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 77 |
2022 | Consumer Loan [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 2,750 |
2022 | Consumer Loan [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 59,886 |
2021 | Total consumer real estate loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 314,605 | 319,322
2021 | Total consumer real estate loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 1,125 | 280
2021 | Total consumer real estate loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 258 | 0
2021 | Total consumer real estate loans [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 1,383 | 280
2021 | Total consumer real estate loans [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 313,222 | 319,042
2021 | Consumer Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 21,400 | 48,856
2021 | Consumer Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 511 | 1,600
2021 | Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 2 | 548
2021 | Consumer Loan [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 513 | 2,148
2021 | Consumer Loan [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 20,887 | 46,708
2020 | Total consumer real estate loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 195,573 | 251,364
2020 | Total consumer real estate loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 645 | 204
2020 | Total consumer real estate loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 28 | 0
2020 | Total consumer real estate loans [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 673 | 204
2020 | Total consumer real estate loans [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 194,900 | 251,160
2020 | Consumer Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 6,603 | 17,934
2020 | Consumer Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 128 | 91
2020 | Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
2020 | Consumer Loan [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 128 | 91
2020 | Consumer Loan [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 6,475 | 17,843
2019 | Total consumer real estate loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 71,659 | 96,306
2019 | Total consumer real estate loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 936 | 406
2019 | Total consumer real estate loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
2019 | Total consumer real estate loans [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 936 | 406
2019 | Total consumer real estate loans [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 70,723 | 95,900
2019 | Consumer Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 2,961 | 6,380
2019 | Consumer Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 51 | 120
2019 | Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 13 | 45
2019 | Consumer Loan [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 64 | 165
2019 | Consumer Loan [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 2,897 | 6,215
2018 | Total consumer real estate loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 39,536 | 56,536
2018 | Total consumer real estate loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 503 | 489
2018 | Total consumer real estate loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 129 | 154
2018 | Total consumer real estate loans [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 632 | 643
2018 | Total consumer real estate loans [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 38,904 | 55,893
2018 | Consumer Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 1,275 | 2,722
2018 | Consumer Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 4 | 38
2018 | Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
2018 | Consumer Loan [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 4 | 38
2018 | Consumer Loan [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 1,271 | 2,684
2017 | Total consumer real estate loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts |  | 49,492
2017 | Total consumer real estate loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  | 296
2017 | Total consumer real estate loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  | 355
2017 | Total consumer real estate loans [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  | 651
2017 | Total consumer real estate loans [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  | 48,841
2017 | Consumer Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts |  | 1,759
2017 | Consumer Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  | 51
2017 | Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  | 0
2017 | Consumer Loan [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  | 51
2017 | Consumer Loan [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss |  | 1,708
Prior Years | Total consumer real estate loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 125,591 | 118,595
Prior Years | Total consumer real estate loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 2,087 | 1,344
Prior Years | Total consumer real estate loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 919 | 828
Prior Years | Total consumer real estate loans [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 3,006 | 2,172
Prior Years | Total consumer real estate loans [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 122,585 | 116,423
Prior Years | Consumer Loan [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans, net of unearned discounts | 1,663 | 1,175
Prior Years | Consumer Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 31 | 17
Prior Years | Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 0 | 0
Prior Years | Consumer Loan [Member] | Financial Asset, Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 31 | 17
Prior Years | Consumer Loan [Member] | Financial Asset, Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | $ 1,632 | $ 1,158

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