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Deferred Charges and Other Assets	9 Months Ended
Deferred Charges and Other Assets	Sep. 30, 2020
Other Assets, Noncurrent [Abstract]
Deferred Charges and Other Assets	Deferred Charges and Other Assets Amortization expense on other assets of $3,010 and $4,368 is included in costs of sales in the consolidated statements of operations for the three months ended September 30, 2020 and 2019, respectively. Amortization expense on other assets of $9,387 and $13,628 is included in costs of sales in the consolidated statements of operations for the nine months ended September 30, 2020 and 2019, respectively.