Acquisitions (Tables)

12 Months Ended

Dec. 31, 2012

Acquisitions

Schedule of Supplemental Unaudited Pro Forma Financial Information

	For the Year Ended
	December 31,
	2012		2011
Total revenues	$	880,363	$	836,261
Net income		49,518		45,251
Basic net income per share		0.97		0.89
Diluted net income per share		0.96		0.88