CONDENSED CONSOLIDATED COMBINED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (unaudited) - Parenthetical - $ / shares	1 Months Ended	3 Months Ended			6 Months Ended
	Jun. 30, 2018	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Stockholders' Equity [Abstract]
Cash dividend per common share (in dollars per share)	$ 0.05	$ 0.06	$ 0.06	$ 0.05	$ 0.12	$ 0.10