Condensed Consolidated Statement Of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018
Statement of Stockholders' Equity [Abstract]
Issuance of common stock (in shares)	1,429	27,965	137,040	1,959	2,419	223,768
Cash dividend (in usd per share)	$ 0.65	$ 0.65	$ 0.60	$ 0.60	$ 0.60	$ 0.55