Earnings per share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Summary of Basic and Diluted Earnings Per Share

(in thousands, except per share data)	Three months ended March 31, 2014
Net income available to common stockholders	$	4,198
Weighted average shares outstanding—basic		29,017
Net income per share—basic	$	0.14
Net income	$	5,328
Weighted average shares outstanding—diluted (1)		36,889
Net income per share—diluted	$	0.14

(1) Includes 7,873 units of the Operating Partnership and excludes 231 options to purchase Class A common stock that were antidilutive in the three months ended March 31, 2014.