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Unconsolidated Subsidiaries (Tables)
12 Months Ended
Dec. 31, 2021
Equity Method Investments and Joint Ventures [Abstract]  
Condensed Financial Statements
Summarized financial information for the unconsolidated subsidiaries is as follows:
 20212020
Statement of Operations  
Revenue$764,759 $768,660 
Gross profit$68,076 $69,021 
Income before income taxes$60,865 $60,398 
Net income$53,248 $50,933 
Balance Sheet
Current assets$168,669 $186,934 
Non-current assets$900,924 $959,032 
Current liabilities$98,887 $143,843 
Non-current liabilities$963,128 $995,658