Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Earnings available to stockholders	$ 78,984	$ 93,558	$ 190,298	$ 169,334
Basic weighted average shares outstanding (in shares)	266,484,213	170,637,140	265,402,101	170,140,990
Diluted weighted average shares outstanding (in shares)	266,484,213	170,637,140	265,402,101	170,140,990
Basic earnings per share (in dollars per share)	$ 0.30	$ 0.55	$ 0.72	$ 1.00
Diluted earnings per share (in dollars per share)	$ 0.30	$ 0.55	$ 0.72	$ 1.00