XML 78 R63.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stockholders' Equity (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Aug. 31, 2017
$ / shares
Dec. 31, 2017
USD ($)
$ / shares
Dec. 31, 2018
Vote / shares
$ / shares
Dividends, Common Stock [Abstract]      
Common shares, par value (in dollars per share)   $ 0.001 $ 0.001
Dividends paid on common stock | $   $ 7,540  
Cash dividend paid per common share   $ 0.675  
Amount of discontinued quarterly dividends $ 0.225    
Common Stock      
Class of Stock [Line Items]      
Voting rights per share | Vote / shares     1