Allowance For Credit Losses (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	$ 7,054,709	$ 6,789,471
Loan balance	7,103,246	6,871,122
Financing Receivable, Allowance for Credit Loss	83,961	83,197	$ 81,448	$ 88,129	$ 83,577	$ 85,675
Off-Balance Sheet, Credit Loss, Liability	4,451	4,282
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,036,172	1,110,759
PPP loans receivable [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan balance	5,715	74,420
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss						6,090
Off-Balance Sheet, Credit Loss, Liability						3,900
Deferred Tax Liabilities, Net						(2,100)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest						$ (8,000)
7000 Hotels, Rooming Houses, Camps and Other Lodging Places
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	182,806	148,018
Additional Reserve Pandemic Risk	687	2,226
Loan balance	218,000	203,900
7000 Hotels, Rooming Houses, Camps and Other Lodging Places | Financial Asset Originated
Financing Receivable, Allowance for Credit Loss [Line Items]
Additional Reserve Pandemic Risk	1,100	2,000
722110 Full-Service Restaurants
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	49,500	40,648
Additional Reserve Pandemic Risk	279	917
5331 Retail, Variety Stores
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	168,144	184,171
Additional Reserve Pandemic Risk	464	2,033
Hotels, Restaurants, Strip Shopping Total
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	400,450	372,837
Additional Reserve Pandemic Risk	$ 1,430	$ 5,176