Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The following table presents the detail of long-term debt, net as recorded in the unaudited condensed consolidated balance sheets:

	Six Months Ended June 30, 2020 Weighted Average Effective Interest Rates		As of June 30, 2020				Year Ended December 31, 2019 Weighted Average Effective Interest Rates		As of December 31, 2019
			Long-term		Current				Long-term		Current
	(in thousands, except interest rates)
SEI
7.75% convertible senior notes	17.41	%	$	—	$	—	7.75	%	$	55,000	$	—
9.75% convertible senior notes	11.85	%	245,000		—				—		—
Paid-in-kind			679		—				—		—
Debt discount, net			(97,960)		—				(16,913)		—
Deferred financing costs, net			(1,158)		—				(480)		—
Sunnova Energy Corporation
Notes payable	13.93	%	—		472		3.22	%	—		2,428
AP4
Secured term loan	10.81	%	—		—		5.61	%	86,369		6,109
Debt discount, net			—		—				(452)		—
Deferred financing costs, net			—		—				(196)		—
HELI
Solar asset-backed notes	6.56	%	210,684		6,736		6.56	%	213,632		8,673
Debt discount, net			(2,729)		—				(3,169)		—
Deferred financing costs, net			(4,801)		—				(5,586)		—
LAPH
Secured term loan	11.22	%	10,349		363		7.71	%	41,484		1,392
Debt discount, net			(171)		—				(401)		—
Deferred financing costs, net			(137)		—				(356)		—
EZOP
Warehouse credit facility	4.45	%	22,700		—		6.60	%	121,400		—
Debt discount, net			(1,804)		—				(2,178)		—
TEPIIH
Revolving credit facility	19.47	%	—		—		6.36	%	234,650		—
Debt discount, net			—		—				(2,219)		—
HELII
Solar asset-backed notes	5.72	%	233,064		11,850		5.77	%	241,309		13,005
Debt discount, net			(45)		—				(49)		—
Deferred financing costs, net			(5,471)		—				(5,873)		—
RAYSI
Solar asset-backed notes	5.51	%	123,347		6,170		5.47	%	126,828		6,327
Debt discount, net			(1,464)		—				(1,547)		—
Deferred financing costs, net			(4,547)		—				(4,759)		—
HELIII
Solar loan-backed notes	4.02	%	128,117		16,399		4.03	%	135,543		19,030
Debt discount, net			(2,479)		—				(2,532)		—
Deferred financing costs, net			(2,380)		—				(2,410)		—
TEPH
Revolving credit facility	6.32	%	231,000		—		6.70	%	90,325		—
Debt discount, net			(4,518)		—				(645)		—
TEPINV
Revolving credit facility	10.29	%	32,615		44,125		7.95	%	54,707		40,500
Debt discount, net			(2,148)		—				(2,856)		—
Deferred financing costs, net			(1,834)		—				(2,207)		—
SOLI
Solar asset-backed notes	3.90	%	395,587		13,267				—		—
Debt discount, net			(120)		—				—		—
Deferred financing costs, net			(9,415)		—				—		—
HELIV
Solar loan-backed notes	3.29	%	143,733		14,759				—		—
Debt discount, net			(956)		—				—		—
Deferred financing costs, net			(4,066)		—				—		—
Total			$	1,628,672	$	114,141			$	1,346,419	$	97,464

Debt Instrument Redemption

At any time on or after May 14, 2023, we may, at our option, redeem for cash all (but not less than all) of the 9.75% convertible senior notes at the redemption price (expressed as percentages of principal amount) set forth below, plus any accrued and unpaid interest, if any, to, but excluding, the redemption date accrued and unpaid interest, if any, to, but excluding, the redemption date:

Period	Percentage
At any time on and after May 14, 2023 but prior to May 14, 2024	115%
At any time on and after May 14, 2024	110%

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

Fair Values of Long-Term Debt.    The fair values of our long-term debt and the corresponding carrying amounts are as follows:

	As of June 30, 2020				As of December 31, 2019
	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
	(in thousands)
SEI 7.75% convertible senior notes	$	—	$	—	$	55,000	$	37,964
SEI 9.75% convertible senior notes	245,679		241,398		—		—
Sunnova Energy Corporation notes payable	472		472		2,428		2,428
AP4 secured term loan	—		—		92,478		92,478
HELI solar asset-backed notes	217,420		226,751		222,305		223,895
LAPH secured term loan	10,712		10,712		42,876		42,876
EZOP warehouse credit facility	22,700		22,700		121,400		121,400
TEPIIH revolving credit facility	—		—		234,650		234,650
HELII solar asset-backed notes	244,914		298,462		254,314		281,850
RAYSI solar asset-backed notes	129,517		152,708		133,155		139,004
HELIII solar loan-backed notes	144,516		162,185		154,573		155,701
TEPH revolving credit facility	231,000		231,000		90,325		90,325
TEPINV revolving credit facility	76,740		76,740		95,207		95,207
SOLI solar asset-backed notes	408,854		442,973		—		—
HELIV solar loan-backed notes	158,492		158,818		—		—
Total (1)	$	1,891,016	$	2,024,919	$	1,498,711	$	1,517,778

(1) Amounts exclude the net deferred financing costs and net debt discounts of $148.2 million and $54.8 million as of June 30, 2020 and December 31, 2019, respectively.