Annual report pursuant to Section 13 and 15(d)

Stockholder's Equity and Earnings (Loss) Per Share - Dividends (Details)

v3.19.1
Stockholder's Equity and Earnings (Loss) Per Share - Dividends (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Nov. 15, 2018
Aug. 14, 2018
Dec. 31, 2018
Equity [Abstract]      
Cash dividends (in usd per share) $ 0.125 $ 0.125 $ 0.25
Cash dividends $ 5,606 $ 5,595 $ 11,201