Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Company's Borrowings

The Company’s debt is as follows:

	September 30, 2015		December 31, 2014
2.75% Convertible Senior Notes, $143,750 face amount, due in June 2019	$	124,861	$	121,354
REG Geismar GOZone bonds, secured, variable interest rate of daily LIBOR, due in October 2033	100,000		100,000
REG Danville term loan, secured, variable interest rate of LIBOR plus 5%, due in December 2017	313		1,513
REG Newton term loan, secured, variable interest rate of LIBOR plus 4%, due in December 2018	17,487		19,868
REG Mason City term loan, fixed interest rate of 5%, due in July 2019	3,902		4,566
REG Ames term loans, secured, fixed interest rates of 3.5% and 4.25%, due in January 2018 and December 2019, respectively	3,984		4,226
REG Grays Harbor term loan, variable interest of minimum of 3.5% or Prime Rate plus 0.25%, due in May 2022	5,225		—
Other	1,170		1,402
Total debt	$	256,942	$	252,929

Revolving Line of Credit

Revolving Lines of Credit

	September 30, 2015		December 31, 2014
Amount outstanding under revolving lines of credit	$	22,423	$	16,679
Maximum available to be borrowed under revolving lines of credit	$	37,544	$	20,719