Debt - Convertible Notes (Details)
|
1 Months Ended |
3 Months Ended |
9 Months Ended |
|
|
May 31, 2014
USD ($)
|
Sep. 30, 2020
USD ($)
|
Sep. 30, 2019
USD ($)
|
Sep. 30, 2020
USD ($)
$ / shares
|
Sep. 30, 2019
USD ($)
|
Dec. 31, 2019
USD ($)
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
| Repurchased of convertible notes |
|
|
|
$ 154,574,000
|
$ 402,500,000
|
|
| Loss on debt extinguishment |
|
$ 7,252,000
|
$ 5,580,000
|
7,252,000
|
$ 11,473,000
|
|
| Unamortized deferred financing costs |
|
$ 19,464,000
|
|
$ 19,464,000
|
|
$ 17,549,000
|
| Convertible Senior Notes |
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
| Stated interest rate |
|
3.75%
|
|
3.75%
|
|
|
| Unamortized deferred financing costs |
|
$ 500,000
|
|
$ 500,000
|
|
2,100,000
|
| Equity component of the conversion feature |
|
55,100,000
|
|
$ 55,100,000
|
|
55,100,000
|
| Convertible Senior Notes | Convertible Senior Notes Due 2019 |
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
| Aggregate principal amount of debt |
$ 402,500,000
|
|
|
|
|
|
| Stated interest rate |
2.875%
|
|
|
|
|
|
| Debt instrument, maturity date |
May 15, 2019
|
|
|
|
|
|
| Convertible Senior Notes | Convertible Senior Notes Due 2021 |
|
|
|
|
|
|
| Debt Instrument [Line Items] |
|
|
|
|
|
|
| Aggregate principal amount of debt |
$ 345,000,000.0
|
|
|
|
|
|
| Stated interest rate |
3.75%
|
|
|
|
|
|
| Debt instrument, maturity date |
May 15, 2021
|
|
|
|
|
|
| Debt conversion ratio |
|
|
|
17.4458
|
|
|
| Anti-dilutive cash dividends, exceeding (in USD per share) | $ / shares |
|
|
|
$ 0.73026
|
|
|
| Repurchased of convertible notes |
|
154,600,000
|
|
|
|
|
| Loss on debt extinguishment |
|
6,200,000
|
|
$ 6,200,000
|
|
|
| Unamortized discount |
|
$ 1,700,000
|
|
$ 1,700,000
|
|
$ 6,500,000
|