Business Combinations Equity Method Investment (Details) - USD ($) |
1 Months Ended | |
|---|---|---|
Apr. 30, 2016 |
Jun. 30, 2016 |
|
| Equity Method Investments and Joint Ventures [Abstract] | ||
| Ownership interest in equity method investment | 49.00% | 49.00% |
| Purchase price of equity method investment | $ 59,100,000 | |
| Remaining ownership interest, equity method investment | 51.00% | |
| Liability for written put option | $ 1,300,000 | |
| Potential additional contingent payments | $ 100,000,000.0 |