Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Short-term financing:
Short-term debt	$ 155,459	$ 130,000
Long-term debt:
Finance leases and other debt	963	1,091
Total long-term debt and finance leases	963	1,091
Less: Current maturities of long-term debt and finance leases	285	310
Long-term debt	678	781
Revolving credit facility
Short-term financing:
Short-term debt	130,000	130,000
Long-term debt:
Debt issuance costs	1,000	1,100
Other short-term financing
Short-term financing:
Short-term debt	$ 25,459	$ 0