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Business and Basis of Presentation Noncontrolling Interests (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2026	Dec. 31, 2025	Dec. 31, 2024
Background And Basis Of Presentation [Line Items]
Foreign Exchange	$ (4,193)	$ 5,658
Stockholders' Equity Attributable to Noncontrolling Interest	120,956			$ 117,395
Reclassification from nonredeemable noncontrolling interest including remeasurement at fair value	0	42,180
Reclassification to nonredeemable noncontrolling interest	(3,841)	(1,877)
Put / call option exercise	(49,708)	0
Redeemable Noncontrolling Interest, Equity, Carrying Amount	195,969	245,461		$ 252,981	$ 199,402
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest	1,980	258
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(443)	(708)
Temporary Equity, Accretion to Redemption Value, Adjustment	(807)	548
Payments for Repurchase of Redeemable Noncontrolling Interest	$ 494
Previously Reported
Background And Basis Of Presentation [Line Items]
Foreign Exchange		3,797
Reclassification from nonredeemable noncontrolling interest including remeasurement at fair value		42,180
Reclassification to nonredeemable noncontrolling interest		(1,877)
Redeemable Noncontrolling Interest, Equity, Carrying Amount		185,417			140,860
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest		258
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders		(708)
Temporary Equity, Accretion to Redemption Value, Adjustment		907
Revision of Prior Period, Adjustment
Background And Basis Of Presentation [Line Items]
Foreign Exchange		1,861
Redeemable Noncontrolling Interest, Equity, Carrying Amount		60,044			$ 58,542
Temporary Equity, Accretion to Redemption Value, Adjustment		$ (359)
Capacity Marine
Background And Basis Of Presentation [Line Items]
Business Combination, Voting Equity Interest Acquired, Percentage	87.00%			80.00%
Octave Ventures
Background And Basis Of Presentation [Line Items]
Business Combination, Voting Equity Interest Acquired, Percentage	70.00%			60.00%
Octave Specialty Limited
Background And Basis Of Presentation [Line Items]
Redeemable Noncontrolling Interest, Equity, Other, Carrying Amount	$ 49,214
Payable for Redeemable Noncontrolling Interest	$ 43,644
Octave Specialty Limited \| Octave Specialty Limited \| Maximum [Member]
Background And Basis Of Presentation [Line Items]
Subsidiary, Ownership Percentage, Noncontrolling Owner	100.00%		100.00%
Subsidiary, Ownership Percentage, Parent	70.00%			60.00%
Octave Specialty Limited \| Octave Specialty Limited \| Minimum [Member]
Background And Basis Of Presentation [Line Items]
Subsidiary, Ownership Percentage, Noncontrolling Owner	51.00%		60.00%
Subsidiary, Ownership Percentage, Parent	36.00%			36.00%
Capacity Marine
Background And Basis Of Presentation [Line Items]
Redeemable Noncontrolling Interest, Equity, Other, Carrying Amount	$ 383