Debt (Tables)

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Company's Borrowings

The following table shows the Company’s term debt:

	September 30, 2019		December 31, 2018
4.00% Convertible Senior Notes, $96,300 face amount, due in June 2036	$	76,874	$	75,477
2.75% Convertible Senior Notes, matured and paid in June 2019	—		66,361
REG Danville term loan, secured, variable interest rate of LIBOR plus 4%, due in July 2022	7,300		8,964
REG Ralston term loan, variable interest rate of Prime Rate plus 2.25%, due in October 2025	16,665		18,948
REG Grays Harbor term loan, variable interest of minimum of 3.5% or Prime Rate plus 0.25%, due in May 2022	7,438		8,828
REG Capital term loan, fixed interest rate of 3.99%, due in January 2028	6,994		7,185
Other	36		54
Total term debt before debt issuance costs	115,307		185,817
Less: Current portion of long-term debt	7,440		149,006
Less: Debt issuance costs (net of accumulated amortization of $1,083 and $3,813, respectively)	3,020		3,390
Total long-term debt	$	104,847	$	33,421

Revolving Line of Credit

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

	September 30, 2019		December 31, 2018
Amount outstanding under lines of credit	$	97,137	$	14,250
Maximum available to be borrowed under lines of credit	$	36,291	$	114,889