XML 17 R3.htm IDEA: XBRL DOCUMENT v3.10.0.1
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
[1]
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 53,512,888 53,400,281
Common stock, shares outstanding (in shares) 53,512,888 53,400,281
Term Loan 2021    
Face amount of the Notes $ 15,000,000  
Convertible Note 2019    
Stated interest rate 3.75% 3.75%
Face amount of the Notes $ 68,660,000 $ 143,750,000
Convertible Note 2023    
Stated interest rate 4.75% 4.75%
Face amount of the Notes $ 75,090,000  
[1] Derived from the audited December 31, 2017 financial statement