Stockholders' equity - ATM common stock offering program and forward equity sales agreements (Details) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025 shares $ / shares	Dec. 31, 2025 USD ($) shares	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jun. 25, 2024 shares	Feb. 15, 2024 USD ($)
Class of Stock [Line Items]
Share Repurchase Program, Numbers of Share Repurchased | shares	2,200,000
Aggregate price on repurchase of Series D preferred stock, per share | $ / shares	$ 96.71
Share Repurchase Program, Remaining Authorized, Number of Shares | shares		241,800,000
Proceeds from issuance of common stock		$ 0	$ 27,103	$ 103,846
Shares of common stock authorized | shares		400,000,000
December 2024 Program
Class of Stock [Line Items]
Share Repurchase Program, Authorized, Amount		$ 500,000
Share Repurchase Program, Expiration Date		Dec. 31, 2025
December 2025 Program
Class of Stock [Line Items]
Share Repurchase Program, Authorized, Amount		$ 500,000
Share Repurchase Program, Expiration Date		Dec. 31, 2026
ATM Common Stock Offering Program Established February 2024
Class of Stock [Line Items]
Common Stock Value Available for Future Issuance (in dollars)		$ 1,470,000				$ 1,500,000
Proceeds from issuance of common stock			$ 27,800
Forward Equity Sales Agreements Entered in June 2024 | ATM Common Stock Offering Program Established February 2024
Class of Stock [Line Items]
Shares of common stock authorized | shares					230,000