Outstanding Loans and Security Agreements (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Schedule of debt

The following is a summary of our debt as of March 31, 2019 (in thousands):

	Unpaid Principal Balance		Net Carrying Value						Unused Borrowing Capacity
			Current		Long- Term		Total
LIBOR + 4% term loan due November 2020	$	2,857	$	1,683	$	1,112	$	2,795	$	—
5% convertible promissory note due December 2020	33,104		—		35,136		35,136		—
6% convertible promissory notes due December 2020	296,233		—		267,289		267,289		—
10% notes due July 2024	100,000		14,000		82,073		96,073		—
Total recourse debt	432,194		15,683		385,610		401,293		—
5.22% senior secured term notes due March 2025	76,827		12,151		63,635		75,786		—
7.5% term loan due September 2028	39,759		2,341		33,417		35,758		—
LIBOR + 5.25% term loan due October 2020	24,438		926		22,808		23,734		—
6.07% senior secured notes due March 2030	82,889		2,634		79,172		81,806		—
LIBOR + 2.5% term loan due December 2021	124,593		3,775		118,926		122,701		—
Letters of Credit due December 2021	—		—		—		—		1,220
Total non-recourse debt	348,506		21,827		317,958		339,785		1,220
Total debt	$	780,700	$	37,510	$	703,568	$	741,078	$	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 March 31, 2019 (in thousands):

Remainder of 2019	$	24,082
2020	391,442
2021	153,639
2022	40,059
2023	44,209
Thereafter	127,269
	$	780,700