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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Accrued Short and Long Term Insurance Liabilities The following table includes the Company’s accrued short- and long-term insurance liabilities at December 31:
(in thousands)20202019
Balance at beginning of period$66,804 $54,039 
Net increases in accrued self-insurance38,064 45,419 
Net payments made(35,045)(32,654)
Balance at end of period$69,823 $66,804