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Other Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]          
Weighted Average Life (Years)     24 years    
Gross Carrying Amount $ 265,217   $ 265,217   $ 265,217
Accumulated Amortization (28,928)   (28,928)   (20,330)
Amortization of intangible assets 2,866 $ 2,866 $ 8,598 $ 8,569  
Customer relationships          
Finite-Lived Intangible Assets [Line Items]          
Weighted Average Life (Years)     25 years    
Gross Carrying Amount 232,623   $ 232,623   232,623
Accumulated Amortization (23,469)   $ (23,469)   (16,360)
Trade name          
Finite-Lived Intangible Assets [Line Items]          
Weighted Average Life (Years)     23 years    
Gross Carrying Amount 30,107   $ 30,107   30,107
Accumulated Amortization (4,346)   $ (4,346)   (3,209)
Non-compete agreements          
Finite-Lived Intangible Assets [Line Items]          
Weighted Average Life (Years)     5 years    
Gross Carrying Amount 2,487   $ 2,487   2,487
Accumulated Amortization $ (1,113)   $ (1,113)   $ (761)