XML 51 R8.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Statement of Stockholders' Equity [Abstract]      
Dividends declared on common stock (in dollars per share) $ 1.84 $ 1.84 $ 1.84