Comprehensive Income - Schedule of Changes in Balances of Each Component of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Changes In Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	$ (188,436)	$ (160,046)
Other comprehensive income before reclassifications	(100,071)	18,640
Amounts reclassified from accumulated other comprehensive income	96,848	(9,750)
Income Tax Expense (Benefit)	(5,211)	(924)	$ (989)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	196,919	(28,390)
Ending Balance	8,483	(188,436)	(160,046)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	833,185	996,119	1,414,615	$ 1,305,250
Unrealized Gains (Losses) on Available-for-Sale Securities [Member]
Changes In Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(21,136)	(20,197)
Other comprehensive income before reclassifications	(23,259)	(3,583)
Amounts reclassified from accumulated other comprehensive income	(3,615)	(4,522)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	19,643	(939)
Ending Balance	(1,493)	(21,136)	(20,197)
Accumulated Translation Adjustment [Member]
Changes In Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(166,191)	(144,035)
Other comprehensive income before reclassifications	(76,812)	22,156
Amounts reclassified from accumulated other comprehensive income	99,354	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	176,166	(22,156)
Ending Balance	9,975	(166,191)	(144,035)
Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent [Member]
Changes In Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(1,109)	(753)
Other comprehensive income before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive income	1,109	(356)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	1,109	(356)
Ending Balance	0	(1,109)	(753)
Retained Earnings [Member]
Changes In Accumulated Other Comprehensive Income [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	8,483	(188,436)	(160,046)	$ (252,843)
Other Postretirement Benefits Plan [Member]
Changes In Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	0	4,939
Other comprehensive income before reclassifications	0	67
Amounts reclassified from accumulated other comprehensive income	0	(4,872)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	0	(4,939)
Ending Balance	$ 0	$ 0	$ 4,939