Schedule II - Valuation and Qualifying Accounts (Details) - Allowance for Doubtful Accounts - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	$ 5,086	$ 7,975	$ 12,919
Additions	0	0	0
Deductions	953	2,889	4,944
Balance at End of Year	$ 4,133	$ 5,086	$ 7,975