Outstanding Loans and Security Agreements (Tables)

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Schedule of debt

The following is a summary of our debt as of September 30, 2019 (in thousands):

	Unpaid Principal Balance		Net Carrying Value						Unused Borrowing Capacity
			Current		Long- Term		Total
LIBOR + 4% term loan due November 2020	$	2,000	$	1,678	$	278	$	1,956	$	—
5% convertible promissory note due December 2020	33,104		—		36,026		36,026		—
6% convertible promissory notes due December 2020	296,233		—		275,716		275,716		—
10% notes due July 2024	93,000		14,000		75,673		89,673		—
Total recourse debt	424,337		15,678		387,693		403,371		—
7.5% term loan due September 2028	38,847		3,500		31,781		35,281		—
LIBOR + 5.25% term loan due October 2020	24,068		987		22,584		23,571		—
6.07% senior secured notes due March 2030	81,686		2,975		77,702		80,677		—
LIBOR + 2.5% term loan due December 2021	122,603		4,021		117,048		121,069		—
Letters of Credit due December 2021	—		—		—		—		1,220
Total non-recourse debt	267,204		11,483		249,115		260,598		1,220
Total debt	$	691,541	$	27,161	$	636,808	$	663,969	$	1,220

The following is a summary of our debt as of December 31, 2018 (in thousands):

	Unpaid Principal Balance		Net Carrying Value						Unused Borrowing Capacity
			Current		Long- Term		Total
LIBOR + 4% term loan due November 2020	$	3,286	$	1,686	$	1,528	$	3,214	$	—
5% convertible promissory notes due December 2020	33,104		—		34,706		34,706		—
6% convertible promissory notes due December 2020	296,233		—		263,284		263,284		—
10% notes due July 2024	100,000		7,000		88,555		95,555		—
Total recourse debt	432,623		8,686		388,073		396,759		—
5.22% senior secured term notes due March 2025	79,698		11,994		66,572		78,566		—
7.5% term loan due September 2028	40,538		2,200		34,119		36,319		—
LIBOR + 5.25% term loan due October 2020	24,723		827		23,089		23,916		—
6.07% senior secured notes due March 2030	83,457		2,469		79,868		82,337		—
LIBOR + 2.5% term loan due December 2021	125,456		3,672		119,712		123,384		—
Letters of Credit due December 2021	—		—		—		—		1,220
Total non-recourse debt	353,872		21,162		323,360		344,522		1,220
Total debt	$	786,495	$	29,848	$	711,433	$	741,281	$	1,220

Schedule of repayment

The following table presents our total outstanding debt's unpaid principal balance repayment schedule as of September 30, 2019 (in thousands):

Remainder of 2019	$	2,627
2020	379,735
2021	140,334
2022	26,046
2023	29,450
Thereafter	113,349
	$	691,541