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Goodwill and Other Intangible Assets - Summary of gross carrying amounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Other intangible assets      
Gross carrying amount $ 257,874 $ 258,554  
Accumulated amortization (129,807) (95,962)  
Net carrying amount 128,067 162,592  
Amortization expense 35,192 $ 26,992 $ 13,084
Estimated amortization expense for other intangibles for each of the next five years      
2022 30,056    
2023 24,634    
2024 19,790    
2025 16,480    
2026 13,264    
Thereafter 23,843    
Total estimated amortization expense for other intangibles for the next five years $ 128,067    
Minimum      
Other intangible assets      
Estimated useful lives 2 years    
Maximum      
Other intangible assets      
Estimated useful lives 15 years