Subsequent Events Narrative Data (Details) - Dividend Declared [Member]	12 Months Ended
	Dec. 31, 2019 $ / shares
Subsequent Event [Line Items]
Date declared, cash dividend	Jan. 15, 2020
Cash dividend declared, per share	$ 0.32
Payable date, cash dividend	Feb. 06, 2020
Date of record, cash dividend declared	Jan. 27, 2020