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Proceeds From Financing Obligations

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

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- Definition

Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of increase (decrease) in noncurrent assets classified as other.

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Amount of increase (decrease) in prepaid expenses, and assets classified as other.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Revenue Recognition Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Net loss	$ (71,011)	$ (56,777)	$ (86,926)	$ (108,752)	$ (120,111)	$ (84,432)	$ (60,510)	$ (26,223)	$ (195,678)	$ (86,733)	$ (252,455)	$ (171,165)	$ (323,466)	$ (291,276)	$ (295,028)
Increase (decrease) in accounts receivable				(4,131)				28,235	(49,741)	6,681	(63,426)	11,500	(51,952)	55,023	(3,242)
Increase (decrease) in prepaid expense and other assets				(6,628)				(483)	(10,227)	(4,764)	(8,071)	8,099	(8,643)	8,032	982
Increase (decrease) in other noncurrent assets				416				(848)	272	851	(1,294)	346	(3,618)	202	(756)
Increase (decrease) in contract with customer, liability				1,244				(15,727)	51,913	(22,030)	22,252	(14,772)	37,146	(21,774)	48,322
Increase (decrease) on accrued warranty liability				(2,697)				(77)	(6,696)	(2,183)	(4,074)	840	$ (6,603)	1,498	(7,365)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	21 years												21 years
Revenue	$ 213,543	224,307	200,326	147,001	157,145	168,619	138,302	168,582	347,327	306,884	571,634	475,503	$ 785,177	632,648	365,623
Proceeds from financing obligations				10,961					20,333	36,799	20,333	57,897	72,334	70,265	84,314
Product
Disaggregation of Revenue [Line Items]
Revenue	158,427	163,902	144,081	90,926	103,937	102,433	78,497	115,771	235,007	194,268	398,909	296,701	557,336	400,638	157,192
Installation
Disaggregation of Revenue [Line Items]
Revenue	14,429	21,102	13,076	12,219	11,066	24,691	19,643	12,795	25,295	32,438	46,397	57,129	60,826	68,195	57,937
Service
Disaggregation of Revenue [Line Items]
Revenue	25,628	23,665	23,026	23,467	21,778	21,056	20,299	20,134	46,493	40,433	70,158	61,489	95,786	83,267	74,892
Electricity
Disaggregation of Revenue [Line Items]
Revenue	$ 15,059	15,638	20,143	20,389	$ 20,364	$ 20,439	$ 19,863	$ 19,882	40,532	$ 39,745	56,170	$ 60,184	$ 71,229	$ 80,548	$ 75,602
Sales Revenue, Net \| Geographic Concentration Risk \| United States
Disaggregation of Revenue [Line Items]
Concentration risk, percentage													77.00%
Sales Revenue, Net \| Geographic Concentration Risk \| Asia Pacific
Disaggregation of Revenue [Line Items]
Concentration risk, percentage													23.00%	14.00%
Difference between Revenue Guidance in Effect before and after Topic 606
Disaggregation of Revenue [Line Items]
Net loss		(11,045)	(9,760)	577					(9,183)		(20,228)
Increase (decrease) in accounts receivable				(3,413)					(3,424)		(5,594)
Increase (decrease) in prepaid expense and other assets				(11)					2		33
Increase (decrease) in other noncurrent assets				103					271		758
Increase (decrease) in contract with customer, liability				(3,651)					5,999		15,667
Increase (decrease) on accrued warranty liability				(247)					33		(242)
Revenue		(14,023)	(11,417)	(730)					(12,147)		(26,170)
Proceeds from financing obligations				0					0		0
Difference between Revenue Guidance in Effect before and after Topic 606 \| Product
Disaggregation of Revenue [Line Items]
Revenue		(17,422)	(13,061)	(2,637)					(15,698)		(33,120)
Difference between Revenue Guidance in Effect before and after Topic 606 \| Installation
Disaggregation of Revenue [Line Items]
Revenue		2,552	1,691	1,156					2,847		5,399
Difference between Revenue Guidance in Effect before and after Topic 606 \| Service
Disaggregation of Revenue [Line Items]
Revenue		847	(47)	751					704		1,551
Difference between Revenue Guidance in Effect before and after Topic 606 \| Electricity
Disaggregation of Revenue [Line Items]
Revenue		$ 0	$ 0	$ 0					$ 0		$ 0
Difference between Revenue Guidance in Effect before and after Topic 606 \| Accounting Standards Update 2014-09
Disaggregation of Revenue [Line Items]
Net loss													$ (26,040)
Increase (decrease) in accounts receivable													(10,600)
Increase (decrease) in prepaid expense and other assets													(100)
Increase (decrease) in other noncurrent assets													1,300
Increase (decrease) in contract with customer, liability													17,400
Increase (decrease) on accrued warranty liability													(600)
Revenue													(34,569)
Difference between Revenue Guidance in Effect before and after Topic 606 \| Accounting Standards Update 2014-09 \| Product
Disaggregation of Revenue [Line Items]
Revenue													(44,521)
Difference between Revenue Guidance in Effect before and after Topic 606 \| Accounting Standards Update 2014-09 \| Installation
Disaggregation of Revenue [Line Items]
Revenue													6,110
Difference between Revenue Guidance in Effect before and after Topic 606 \| Accounting Standards Update 2014-09 \| Service
Disaggregation of Revenue [Line Items]
Revenue													3,842
Difference between Revenue Guidance in Effect before and after Topic 606 \| Accounting Standards Update 2014-09 \| Electricity
Disaggregation of Revenue [Line Items]
Revenue													$ 0