Convertible and Long-term Debt Obligations - 1.625% Convertible Senior Notes Due In 2019 - Additional Information (Detail) - 1.625% Convertible Senior Notes due in 2019 [Member] - SolarCity [Member] |
1 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Oct. 31, 2014
USD ($)
|
Sep. 30, 2014
USD ($)
|
Dec. 31, 2016
USD ($)
$ / shares
$ / Derivative
shares
|
|
| Capped Call Option [Member] | |||
| Debt Instrument [Line Items] | |||
| Shares received upon the exercise of the capped call options | 745,377 | ||
| Capped call options, specification | (i) the lower of $1,146.18 or the then market price of our common stock less (ii) $759.36 and divided by (b) the then market price of our common stock. The results of this formula are that we would receive more shares as the market price of our common stock exceeds $759.36 and approaches $1,146.18, but we would receive fewer shares as the market price of our common stock exceeds $1,146.18. | ||
| Cap price | $ / Derivative | 1,146.18 | ||
| Initial strike price | $ / Derivative | 759.36 | ||
| Maximum [Member] | |||
| Debt Instrument [Line Items] | |||
| Derivative, Maturity Date | Oct. 29, 2019 | ||
| Minimum [Member] | |||
| Debt Instrument [Line Items] | |||
| Derivative, Maturity Date | Sep. 04, 2019 | ||
| Senior Notes [Member] | |||
| Debt Instrument [Line Items] | |||
| Principal amount of convertible senior notes | $ | $ 66,000,000 | $ 500,000,000 | |
| Interest Rate | 1.625% | 1.625% | |
| Maturity Dates | Nov. 01, 2019 | Nov. 01, 2019 | |
| Convertible principal amount | $ | $ 1,000 | ||
| Convertible instrument, shares issued | 1.3169 | ||
| Convertible notes, conversion price | $ / shares | $ 759.36 | ||
| Senior Notes [Member] | Maximum [Member] | |||
| Debt Instrument [Line Items] | |||
| Convertible instrument, shares issued | 1.7449 | ||
| Senior Notes [Member] | Minimum [Member] | |||
| Debt Instrument [Line Items] | |||
| Convertible notes, conversion price | $ / shares | $ 573.10 | ||