XML 93 R77.htm IDEA: XBRL DOCUMENT v3.22.0.1
Premises and Equipment Premises and Equipment (Additional Information) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]      
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 37,394 $ 35,324  
Gain (Loss) on Disposition of Property Plant Equipment 0 0 $ 0
Software and Software Development Costs [Member]      
Property, Plant and Equipment [Line Items]      
Capitalized Computer Software, Gross 2,300    
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 2,100 $ 2,200