Other Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other receivables	$ 427,321	$ 544,376
Supplier rebates and non-trade receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other receivables	294,574	390,508
Medicare bad debt claims
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other receivables	$ 132,747	$ 153,868