BALANCE SHEETS BALANCE SHEETS Parenthetical - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	52,598,005	52,598,005
Common stock, shares outstanding	52,267,296	52,283,260
Treasury stock, shares	330,709	314,745
Debt issuance costs	$ 8,445	$ 8,851