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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2015
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events The Company assessed events occurring subsequent to March 31, 2015 for potential recognition and disclosure in the consolidated financial statements. In April 2015, the Company acquired one physician practice for an aggregate purchase price of approximately $16.5 million. Other than the items described above, no events have occurred that would require adjustment to or disclosure in the consolidated financial statements.