XML 54 R44.htm IDEA: XBRL DOCUMENT v3.21.2
Commitments and Contingencies (Changes in Self-insurance Liability) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Changes in Self-insurance Liability [Roll Forward]        
Balance, beginning of period $ 653,068 $ 719,172 $ 641,779 $ 709,798
Reserves provided 22,907 20,177 42,449 38,626
Adjustments to previously recorded reserves (49,136) (60,662) (55,218) (59,362)
Payments, net (6,222) (38,673) (8,393) (49,048)
Balance, end of period $ 620,617 $ 640,014 $ 620,617 $ 640,014