Allowance for Credit Losses Additional Reserves (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Collectively Evaluated for Impairment	$ 7,058,897	$ 6,789,471
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Collectively Evaluated for Impairment	7,058,897	6,789,471
Loans and Leases Receivable, Net of Deferred Income	7,141,891	6,871,122
Hotels, Restaurants, Strip Shopping Total
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Collectively Evaluated for Impairment		372,837
Additional Reserve Pandemic Risk		5,176
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Collectively Evaluated for Impairment		372,837
Additional Reserve Pandemic Risk		5,176
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
Additional Reserve Pandemic Risk		2,226
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Collectively Evaluated for Impairment		148,018
Additional Reserve Pandemic Risk		2,226
Loans and Leases Receivable, Net of Deferred Income		203,900
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	0	2,000
Financing Receivable, Allowance for Credit Losses [Line Items]
Additional Reserve Pandemic Risk	$ 0	2,000
722110 Full-Service Restaurants
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Collectively Evaluated for Impairment		40,648
Additional Reserve Pandemic Risk		917
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Collectively Evaluated for Impairment		40,648
Additional Reserve Pandemic Risk		917
5331 Retail, Variety Stores
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Collectively Evaluated for Impairment		184,171
Additional Reserve Pandemic Risk		2,033
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Collectively Evaluated for Impairment		184,171
Additional Reserve Pandemic Risk		$ 2,033