XML 53 R41.htm IDEA: XBRL DOCUMENT v3.22.0.1
Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Property And Equipment And Depreciation Expense) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]      
Total property and equipment $ 119,663 $ 110,583  
Less accumulated depreciation and amortization 82,142 77,506  
Property and equipment, net 37,521 33,077  
Depreciation expense 7,157 6,948 $ 7,467
Equipment And Software [Member]      
Property, Plant and Equipment [Line Items]      
Total property and equipment 73,820 66,141  
Furniture and Fixtures [Member]      
Property, Plant and Equipment [Line Items]      
Total property and equipment 6,668 6,186  
Leasehold Improvements [Member]      
Property, Plant and Equipment [Line Items]      
Total property and equipment $ 39,175 $ 38,256