Allowance for Credit Losses Additional Reserves (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Collectively Evaluated for Impairment	$ 6,789,471	$ 7,058,225
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Collectively Evaluated for Impairment	6,789,471	7,058,225
Loans and Leases Receivable, Net of Deferred Income	6,871,122	7,177,785
Hotels, Restaurants, Strip Shopping Total
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Collectively Evaluated for Impairment	372,837	308,024
Additional Reserve Pandemic Risk	5,176	3,759
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Collectively Evaluated for Impairment	372,837	308,024
Additional Reserve Pandemic Risk	5,176	3,759
7000 Hotels, Rooming Houses, Camps and Other Lodging Places
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Collectively Evaluated for Impairment	148,018	96,909
Additional Reserve Pandemic Risk	2,226	1,391
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Collectively Evaluated for Impairment	148,018	96,909
Additional Reserve Pandemic Risk	2,226	1,391
Loans and Leases Receivable, Net of Deferred Income	203,900	181,400
7000 Hotels, Rooming Houses, Camps and Other Lodging Places \| Financial Asset Originated
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Additional Reserve Pandemic Risk	2,000	1,800
Financing Receivable, Allowance for Credit Losses [Line Items]
Additional Reserve Pandemic Risk	2,000	1,800
722110 Full-Service Restaurants
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Collectively Evaluated for Impairment	40,648	33,409
Additional Reserve Pandemic Risk	917	637
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Collectively Evaluated for Impairment	40,648	33,409
Additional Reserve Pandemic Risk	917	637
5331 Retail, Variety Stores
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Collectively Evaluated for Impairment	184,171	177,706
Additional Reserve Pandemic Risk	2,033	1,731
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Collectively Evaluated for Impairment	184,171	177,706
Additional Reserve Pandemic Risk	$ 2,033	$ 1,731

Additional Reserve Pandemic Risk

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- References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524

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