Income Taxes - Schedule of Federal and state income taxes paid (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Paid, by Individual Jurisdiction [Line Items]
Cash paid for federal income taxes	$ 295,000	$ 644,000	$ 458,000
Cash paid for state income taxes, net of refunds	5,837	58,139	108,251
Total cash paid for income taxes, net of refunds	300,837	702,139	566,251
NORTH DAKOTA
Income Tax Paid, by Individual Jurisdiction [Line Items]
Cash paid for state income taxes, net of refunds	1,641	52,000	102,000
Other [Member]
Income Tax Paid, by Individual Jurisdiction [Line Items]
Cash paid for state income taxes, net of refunds	$ 4,196	$ 6,139	$ 6,251