Stockholders' Equity (Details) (USD $)			3 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2014 Restricted Shares	Jun. 30, 2013 Restricted Shares
Class of Stock [Line Items]
Common stock, shares authorized	250,000,000	250,000,000
Common stock, par value (in USD per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, par value (in USD per share)	$ 0.01	$ 0.01
Voting rights, number of votes per common share owned	1
Restricted stock repurchased during period, shares			33,740	10,726
Restricted stock acquired, average cost per share			$ 33.03