XML 110 R98.htm IDEA: XBRL DOCUMENT v3.19.1
Stockholders' Equity - Cash Dividends Declared - Common Stock (Details) - $ / shares
3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Stockholders' Equity Note [Abstract]          
Cash dividend per share (in dollars per share) $ 0.2 $ 0.2 $ 0.2 $ 0.2 $ 0.2