Outstanding Loans and Security Agreements (Tables)

6 Months Ended

Jun. 30, 2019

Debt Disclosure [Abstract]

Schedule of debt

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

	Unpaid Principal Balance		Net Carrying Value						Unused Borrowing Capacity
			Current		Long- Term		Total
LIBOR + 4% term loan due November 2020	$	2,429	$	1,681	$	695	$	2,376	$	—
5% convertible promissory note due December 2020	33,104		—		35,576		35,576		—
6% convertible promissory notes due December 2020	296,233		—		271,503		271,503		—
10% notes due July 2024	100,000		14,000		82,384		96,384		—
Total recourse debt	431,766		15,681		390,158		405,839		—
7.5% term loan due September 2028	39,317		2,889		32,643		35,532		—
LIBOR + 5.25% term loan due October 2020	24,262		957		22,704		23,661		—
6.07% senior secured notes due March 2030	82,269		2,803		78,420		81,223		—
LIBOR + 2.5% term loan due December 2021	123,664		3,894		118,058		121,952		—
Letters of Credit due December 2021	—		—		—		—		1,220
Total non-recourse debt	269,512		10,543		251,825		262,368		1,220
Total debt	$	701,278	$	26,224	$	641,983	$	668,207	$	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 June 30, 2019 (in thousands):

Remainder of 2019	$	12,365
2020	379,242
2021	140,334
2022	26,046
2023	29,450
Thereafter	113,841
	$	701,278