Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 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:

	Three Months Ended March 31, 2020 Weighted Average Effective Interest Rates		As of March 31, 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	13.26	%	$	55,000		$	—	7.75	%	$	55,000		$	—
Debt discount, net			(16,171		)	—				(16,913		)	—
Deferred financing costs, net			(562		)	—				(480		)	—
Sunnova Energy Corporation
Notes payable	10.16	%	—			30		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	6.58	%	210,684			6,736		6.56	%	213,632			8,673
Debt discount, net			(2,940		)	—				(3,169		)	—
Deferred financing costs, net			(5,176		)	—				(5,586		)	—
LAPH
Secured term loan	12.07	%	10,388			355		7.71	%	41,484			1,392
Debt discount, net			(189		)	—				(401		)	—
Deferred financing costs, net			(152		)	—				(356		)	—
EZOP
Warehouse credit facility	5.00	%	168,450			—		6.60	%	121,400			—
Debt discount, net			(1,991		)	—				(2,178		)	—
TEPIIH
Revolving credit facility	19.47	%	—			—		6.36	%	234,650			—
Debt discount, net			—			—				(2,219		)	—
HELII
Solar asset-backed notes	5.68	%	233,064			11,850		5.77	%	241,309			13,005
Debt discount, net			(47		)	—				(49		)	—
Deferred financing costs, net			(5,668		)	—				(5,873		)	—
RAYSI
Solar asset-backed notes	5.53	%	124,339			6,207		5.47	%	126,828			6,327
Debt discount, net			(1,501		)	—				(1,547		)	—
Deferred financing costs, net			(4,656		)	—				(4,759		)	—
HELIII
Solar loan-backed notes	3.99	%	131,372			17,687		4.03	%	135,543			19,030
Debt discount, net			(2,506		)	—				(2,532		)	—
Deferred financing costs, net			(2,386		)	—				(2,410		)	—
TEPH
Revolving credit facility	5.68	%	193,950			—		6.70	%	90,325			—
Debt discount, net			(1,006		)	—				(645		)	—
TEPINV
Revolving credit facility	10.30	%	44,040			45,120		7.95	%	54,707			40,500
Debt discount, net			(2,526		)	—				(2,856		)	—
Deferred financing costs, net			(2,207		)	—				(2,207		)	—
SOLI
Solar asset-backed notes	3.64	%	399,769			12,731				—			—
Debt discount, net			(124		)	—				—			—
Deferred financing costs, net			(9,693		)	—				—			—
Total			$	1,511,555		$	100,716			$	1,346,419		$	97,464

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 March 31, 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	$	31,408	$	55,000	$	37,964
Sunnova Energy Corporation notes payable	30		30		2,428		2,428
AP4 secured term loan	—		—		92,478		92,478
HELI solar asset-backed notes	217,420		228,905		222,305		223,895
LAPH secured term loan	10,743		10,743		42,876		42,876
EZOP warehouse credit facility	168,450		168,450		121,400		121,400
TEPIIH revolving credit facility	—		—		234,650		234,650
HELII solar asset-backed notes	244,914		299,601		254,314		281,850
RAYSI solar asset-backed notes	130,546		155,092		133,155		139,004
HELIII solar loan-backed notes	149,059		168,524		154,573		155,701
TEPH revolving credit facility	193,950		193,950		90,325		90,325
TEPINV revolving credit facility	89,160		89,160		95,207		95,207
SOLI solar asset-backed notes	412,500		444,509		—		—
Total (1)	$	1,671,772	$	1,790,372	$	1,498,711	$	1,517,778

(1) Amounts exclude the net deferred financing costs and net debt discounts of $59.5 million and $54.8 million as of March 31, 2020 and December 31, 2019, respectively.