Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Earnings available to stockholders	$ 9,252	$ 72,983	$ 178,586	$ 157,067
Basic weighted average shares outstanding (in shares)	199,969,889	169,980,131	180,047,668	170,570,633
Diluted weighted average shares outstanding (in shares)	199,969,889	169,980,131	180,047,668	170,570,633
Basic earnings per share (in dollars per share)	$ 0.05	$ 0.43	$ 0.99	$ 0.92
Diluted earnings per share (in dollars per share)	$ 0.05	$ 0.43	$ 0.99	$ 0.92