Allowance For Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
PPP loans originated [Line Items]	$ 543,100
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	7,100,152	$ 7,100,152	$ 6,409,614
7000 Hotels, Rooming Houses, Camps and Other Lodging Places
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	149,163	149,163
Additional Reserve Pandemic Risk		1,988
7000 Hotels, Rooming Houses, Camps and Other Lodging Places | Financial Asset Originated
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	138,322	138,322
7000 Hotels, Rooming Houses, Camps and Other Lodging Places | Financial Asset Acquired and No Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	10,841	10,841
722110 Full-Service Restaurants
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	49,571	49,571
Additional Reserve Pandemic Risk		973
722110 Full-Service Restaurants | Financial Asset Originated
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	42,856	42,856
722110 Full-Service Restaurants | Financial Asset Acquired and No Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	6,715	6,715
5331 Retail, Variety Stores
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	218,133	218,133
Additional Reserve Pandemic Risk		2,066
5331 Retail, Variety Stores | Financial Asset Originated
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	181,003	181,003
5331 Retail, Variety Stores | Financial Asset Acquired and No Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	37,130	37,130
Hotels, Restaurants, Strip Shopping Total
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	416,867	416,867
Additional Reserve Pandemic Risk		5,027
Hotels, Restaurants, Strip Shopping Total | Financial Asset Originated
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	362,181	362,181
Hotels, Restaurants, Strip Shopping Total | Financial Asset Acquired and No Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	$ 54,686	$ 54,686