Outstanding Loans and Security Agreements (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of debt

The following is a summary of the Company’s debt as of September 30, 2018 (in thousands):

	Unpaid Principal Balance		Net Carrying Value						Unused Borrowing Capacity		Interest Rate	Maturity Dates	Entity	Recourse
			Current		Long- Term		Total
5.22% senior secured notes	$	82,624	$	11,840	$	69,560	$	81,400	$	—	5.2%	March 2025	PPA II	No
Term loan	40,937		1,737		34,765		36,502		—		7.5%	September 2028	PPA IIIa	No
Term loan	24,934		866		23,155		24,021		—		LIBOR plus margin	October 2020	PPA IIIb	No
6.07% senior secured notes	83,993		2,308		80,529		82,837		—		6.1%	March 2030	PPA IV	No
Term loan	126,088		3,485		120,349		123,834		—		LIBOR plus margin	December 2021	PPA V	No
Letters of Credit	—		—		—		—		1,504		2.25%	December 2021	PPA V	No
Total non-recourse debt	358,576		20,236		328,358		348,594		1,504
Term loan	3,631		1,686		1,945		3,631		—		LIBOR plus margin	November 2020	Company	Yes
5% convertible promissory note	34,273		—		34,273		34,273		—		5.0%	December 2020	Company	Yes
6% convertible promissory notes	296,233		—		258,862		258,862		—		6.0%	December 2020	Company	Yes
10% notes	100,000		—		95,451		95,451		—		10.0%	July 2024	Company	Yes
Total recourse debt	434,137		1,686		390,531		392,217		—
Total debt	$	792,713	$	21,922	$	718,889	$	740,811	$	1,504

The following is a summary of the Company’s debt as of December 31, 2017 (in thousands):

	Unpaid Principal Balance		Net Carrying Value						Unused Borrowing Capacity		Interest Rate	Maturity Dates	Entity	Recourse
			Current		Long- Term		Total
5.22% senior secured notes	$	91,086	$	11,389	$	78,175	$	89,564	$	—	5.2%	March 2025	PPA II	No
Term loan	41,927		1,389		35,551		36,940		—		7.5%	September 2028	PPA IIIa	No
Term loan	25,599		876		23,488		24,364		—		LIBOR plus margin	October 2020	PPA IIIb	No
6.07% senior secured notes	85,303		1,846		82,186		84,032		—		6.1%	March 2030	PPA IV	No
Term loan	128,403		2,946		122,650		125,596		—		LIBOR plus margin	December 2021	PPA V	No
Letters of Credit	—		—		—		—		1,784		2.25%	December 2021	PPA V	No
Total non-recourse debt	372,318		18,446		342,050		360,496		1,784
Term loan	5,000		1,690		3,197		4,887		—		LIBOR plus margin	November 2020	Company	Yes
8% convertible promissory notes	244,717		—		244,717		244,717		—		8.0%	December 2019	Company	Yes
6% convertible promissory notes	286,069		—		236,724		236,724		—		6.0%	December 2020	Company	Yes
10% notes	100,000		—		94,517		94,517		—		10.0%	July 2024	Company	Yes
Total recourse debt	635,786		1,690		579,155		580,845		—
Total debt	$	1,008,104	$	20,136	$	921,205	$	941,341	$	1,784

Schedule of repayment

The following table presents detail of the Company’s entire outstanding loan principal repayment schedule as of September 30, 2018 (in thousands):

Remainder of 2018	$	5,052
2019	29,523
2020	392,229
2021	153,639
2022	40,059
Thereafter	172,211
	$	792,713