Debt (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Company's Borrowings

The following table shows the Company’s term debt:

	September 30, 2021		December 31, 2020
5.875% Senior Secured Green Bonds, due 2028	$	550,000	$	—
4.00% Convertible Senior Notes	—		47,057
REG Ralston term loan	—		13,241
REG Capital term loan	—		6,665
Other	3		14
Total term debt before debt issuance costs	550,003		66,977
Less: Current portion of long-term debt	3		50,088
Less: Debt issuance costs (net of accumulated amortization of $860 and $990, respectively)	13,759		1,731
Total long-term debt	$	536,241	$	15,158

Revolving Line of Credit

The following table shows the Company's line of credit:

	September 30, 2021		December 31, 2020
Amount outstanding under line of credit	$	—	$	—
Maximum available to be borrowed under line of credit	$	249,666	$	149,666