Acquisitions and Developments - Other Acquisitions (Details) $ in Millions |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2016
Entity
|
Dec. 31, 2014
USD ($)
Practice
|
|
| Business Acquisition [Line Items] | ||
| Number of business entities acquired | Entity | 1 | |
| Physician Practice | ||
| Business Acquisition [Line Items] | ||
| Number of business entities acquired | Practice | 3 | |
| Aggregate purchase price | $ | $ 1.6 | |