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Intangible Assets - Company's amortizable intangible assets (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Amortizable intangible assets    
Gross Carrying Amount $ 3,500 $ 3,500
Accumulated Amortization (2,644) (2,528)
Net $ 856 972
Customer relationships    
Amortizable intangible assets    
Weighted Average Life (Years) 15 years  
Gross Carrying Amount $ 3,500 3,500
Accumulated Amortization (2,644) (2,528)
Net $ 856 $ 972