CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical) - $ / shares	3 Months Ended			6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2018
Statement of Stockholders' Equity [Abstract]
Cash dividends, per share (in dollars per share)	$ 0.09	$ 0.07	$ 0.06	$ 0.06