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Contingencies - Additional Information (Detail) (U.S. Attorney Physician Relationship Investigation, USD $)
In Thousands, unless otherwise specified |
12 Months Ended |
|---|---|
|
Dec. 31, 2013
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U.S. Attorney Physician Relationship Investigation
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| Legal Proceedings [Line Items] | |
| Contingency reserve | $ 397,000 |
| settlement payment | $ 389,000 |