|
Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | 1 Months Ended | ||
|---|---|---|---|---|---|
|
Sep. 30, 2014
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Feb. 28, 2015
|
|
| Legal Proceedings [Line Items] | |||||
| Loss contingency reserve | $ 17,000 | $ 17,000 | $ 397,000 | $ 85,837 | |
| Period of corporate integrity agreement | 5 years | ||||
| Subsequent Event | |||||
| Legal Proceedings [Line Items] | |||||
| Number of Subpoenas | 6 | ||||
| Number of Medical Centers | 6 | ||||
| 2010 U.S. Attorney Physician Relationship Investigation | |||||
| Legal Proceedings [Line Items] | |||||
| Settlement payment before accrued interest | 350,000 | ||||
| Settlement payment, civil forfeiture | 39,000 | ||||
| Contingency reserve | 414,000 | 397,000 | |||
| Medicaid | |||||
| Legal Proceedings [Line Items] | |||||
| Settlement payment before accrued interest | $ 11,500 | ||||