XML 46 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stockholders' Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 6 Months Ended
Jun. 30, 2018
Apr. 30, 2018
Jun. 30, 2018
Class of Stock [Line Items]      
Cash dividends     $ 1,320
Class A Common Stock      
Class of Stock [Line Items]      
Cash dividends (in dollars per share) $ 0.0147 $ 0.0147