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Lease Commitments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Other Commitments [Line Items]        
Operating Lease, Cost   $ (15,526) $ (15,841) $ (16,956)
Short-term Lease, Cost   455 343 369
Sublease Income   247 281 305
Asset impairment   $ 0 $ 871 $ 2,107
Lessee, Operating Lease, Lease Not Yet Commenced, Option To Extend, Value $ 0      
Operating Lease, Weighted Average Discount Rate, Percent 4.70% 4.40% 4.60% 4.70%
Operating Lease, Weighted Average Remaining Lease Term 8 years 1 month 6 days 8 years 3 months 18 days 7 years 4 months 24 days 8 years 1 month 6 days
Operating Lease, Payments   $ 16,821 $ 16,546 $ 14,183
Lessee, Operating Lease, Lease Not Yet Commenced, Amount   19,100    
Occupancy        
Other Commitments [Line Items]        
Operating Lease, Cost   (14,463) (14,991) (15,931)
Variable Lease, Cost   110 135 118
Occupancy | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Abandonment [Member]        
Other Commitments [Line Items]        
Operating Lease, Cost     (900) (1,500)
Compensation and Benefits        
Other Commitments [Line Items]        
Operating Lease, Cost   (518) (520) (519)
Communication and Technology        
Other Commitments [Line Items]        
Operating Lease, Cost   $ (267) $ (429) $ (286)