Debt (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Company's Borrowings

The following table shows the Company’s term debt:

	March 31, 2020		December 31, 2019
4.00% Convertible Senior Notes, $78,619 face amount, due in June 2036	$	61,346	$	69,668
REG Danville term loan, secured, variable interest rate of LIBOR plus 4%, due in July 2022	—		6,468
REG Ralston term loan, variable interest rate of LIBOR plus 2.25%, due in October 2025	15,296		15,980
REG Grays Harbor term loan, variable interest of minimum of 3.5% or Prime Rate plus 0.25%, due in May 2022	—		6,966
REG Capital term loan, fixed interest rate of 3.99%, due in January 2028	6,864		6,929
Other	22		33
Total term debt before debt issuance costs	83,528		106,044
Less: Current portion of long-term debt	64,367		77,131
Less: Debt issuance costs (net of accumulated amortization of $877 and $1,139, respectively)	2,353		2,783
Total long-term debt	$	16,808	$	26,130

Revolving Line of Credit

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

	March 31, 2020		December 31, 2019
Amount outstanding under lines of credit	$	159,746	$	76,990
Maximum available to be borrowed under lines of credit	$	40,254	$	101,485