Allowance for Credit Losses - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Credit Loss [Abstract]
Accounts receivable, net	[1]	$ 47,849	$ 65,863
Allowance for credit loss		500
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current period change for expected credit losses		(2,072)
STIN
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current period change for expected credit losses		1,400
Accretion of interest		$ 1,400

[1] See Note 7. Investments in Affiliates and Related Transactions for related party transactions reflected in this account.