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Stockholders' Equity (Details) $ / shares in Units, $ in Thousands			3 Months Ended	9 Months Ended		12 Months Ended	42 Months Ended
	Dec. 31, 2025 USD ($)	Feb. 06, 2024 $ / shares shares	Sep. 30, 2025 USD ($) $ / shares shares	Sep. 30, 2025 USD ($) $ / shares shares	Sep. 30, 2024 USD ($)	Dec. 31, 2021 USD ($) financial_institution	Dec. 31, 2024 USD ($) shares
Subsidiary, Sale of Stock [Line Items]
Sale of stock, number of participating financial institutions | financial_institution						6
Payment of issuance of common stock costs				$ (315)	$ 0
Dividends owed			$ 57,600	$ 57,600	$ 49,687
Treasury stock, shares, retired (in shares) | shares		2,536,583
Shares acquired, average cost per share (in dollars per share) | $ / shares		$ 57.44
ATM Program
Subsidiary, Sale of Stock [Line Items]
Sale of stock, shares issued (in shares) | shares			0	2,900,000			2,600,000
Payments of stock issuance costs							$ 1,100
Payment of issuance of common stock costs							101,400
Dividends owed			$ 1,700	$ 1,700
Other transaction related costs							$ 900
Sale of stock, maximum of aggregate gross sales price amount				500,000
Sale of stock , sale of stock, remaining aggregate gross sales price amount				$ 305,600
ATM Program | Forecast
Subsidiary, Sale of Stock [Line Items]
Payments of stock issuance costs	$ 894
Payment of issuance of common stock costs	$ 88,500
Maximum | ATM Program
Subsidiary, Sale of Stock [Line Items]
Sale of stock, consideration received on transaction						$ 500,000
Minimum | ATM Program
Subsidiary, Sale of Stock [Line Items]
Average price (in dollars per share) | $ / shares			$ 30.44	$ 30.44

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