Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Net income | $ 37,333 | $ 30,046 | $ 89,388 | $ 101,931 | $ 78,236 |
| Foreign currency translation adjustment | 28 | 0 | (31) | 0 | 0 |
| Other comprehensive income (loss), before tax | 28 | 0 | (31) | 0 | 0 |
| Income tax expense on other comprehensive income (loss) | 0 | 0 | 0 | 0 | 0 |
| Other comprehensive income (loss), net of tax | 28 | 0 | (31) | 0 | 0 |
| Comprehensive income | $ 37,361 | $ 30,046 | $ 89,357 | $ 101,931 | $ 78,236 |