Convertible senior notes issue to related parties.

No definition available.

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- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Period Type:	duration

- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

+ References

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-Publisher FASB
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

+ References

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Face (par) amount of debt instrument at time of issuance.

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Balance Type:	na
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- Definition

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.

+ References

No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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-Name Accounting Standards Codification
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- Definition

Description of debt redemption features under terms of the debt agreement.

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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- Details

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Debt - Zero-Coupon Convertible Senior Notes due in 2020 - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2019 USD ($) d $ / shares shares	Dec. 31, 2018 USD ($)	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Convertible senior notes issued to related parties	$ 3,000,000	$ 3,000,000
Zero-Coupon Convertible Senior Notes due in 2020 [Member] \| SolarCity [Member]
Debt Instrument [Line Items]
Convertible senior notes issued to related parties			$ 13,000,000
Maturity Date	Dec. 01, 2020
Debt conversion aggregate principal amount	$ 1,000
Convertible instrument, shares issued \| shares	3.3333
Convertible notes, conversion price \| $ / shares	$ 300.00
Debt instrument redeemed description	The convertible senior note holders may require us to repurchase their convertible senior notes for cash only under certain defined fundamental changes. On or after June 30, 2017, the convertible senior notes are redeemable by us in the event that the closing price of our common stock exceeds 200% of the conversion price for 45 consecutive trading days ending within three trading days of such redemption notice at a redemption price equal to 100% of the principal amount plus any accrued and unpaid interest.
Common stock price to conversion price, percentage	200.00%
Debt instrument convertible trading days \| d	45
Percentage of redemption price	100.00%
Debt instrument convertible, if-converted value in excess of principal	$ 41,000,000
Zero-Coupon Convertible Senior Notes due in 2020 [Member] \| SolarCity [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Convertible instrument, shares issued \| shares	4.2308
Zero-Coupon Convertible Senior Notes due in 2020 [Member] \| SolarCity [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Convertible notes, conversion price \| $ / shares	$ 236.36
Zero-Coupon Convertible Senior Notes due in 2020 [Member] \| SolarCity [Member] \| Private Placement [Member]
Debt Instrument [Line Items]
Principal amount of convertible senior notes			$ 113,000,000
Interest Rate			0.00%