Revision to Previously Reported Financial Information - Income Statement (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended																12 Months Ended
	Dec. 31, 2021		Sep. 30, 2021		Jun. 30, 2021		Mar. 31, 2021		Dec. 31, 2020		Sep. 30, 2020		Jun. 30, 2020		Mar. 31, 2020		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Other income (expense), net									$ (18,742)								$ (36,142)	$ 5,226	$ (17,619)
Earnings before income taxes	$ 20,800		$ 41,400		$ 50,500		$ 21,000		60,383		$ 78,000		$ 12,800		$ 51,200		133,588	202,292	322,433
Income Tax Expense (Benefit)									(767)								2,594	(61,417)	(75,493)
Net earnings									59,616								136,182	140,875	246,940
Net Income (Loss) Attributable to Parent	$ 16,700		$ 49,800		$ 45,400		$ 14,100		$ 56,051		$ 56,100		$ 6,100		$ 12,100		$ 125,949	$ 130,420	$ 238,828
Basic (in dollars per share)	$ 0.13	[1]	$ 0.38	[1]	$ 0.35	[1]	$ 0.11	[1]	$ 0.43	[1]	$ 0.43	[1]	$ 0.05	[1]	$ 0.09	[1]	$ 0.97	$ 1.00	$ 1.82
Diluted (in dollars per share)	$ 0.13	[1]	$ 0.38	[1]	$ 0.35	[1]	$ 0.11	[1]	$ 0.43	[1]	$ 0.43	[1]	$ 0.05	[1]	$ 0.09	[1]	$ 0.96	$ 1.00	$ 1.81
As Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Other income (expense), net									$ (17,811)									$ (10,254)
Earnings before income taxes									61,314									186,812
Income Tax Expense (Benefit)									(856)									(60,031)
Net earnings									60,458									126,781
Net Income (Loss) Attributable to Parent									$ 56,893									$ 116,326
Basic (in dollars per share)									$ 0.44									$ 0.89
Diluted (in dollars per share)									$ 0.43									$ 0.89
Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Other income (expense), net									$ (931)									$ 15,480
Earnings before income taxes									(931)									15,480
Income Tax Expense (Benefit)									89									(1,386)
Net earnings									(842)									14,094
Net Income (Loss) Attributable to Parent									$ (842)									$ 14,094
Basic (in dollars per share)									$ (0.01)									$ 0.11
Diluted (in dollars per share)									$ 0									$ 0.11

[1] Earnings per share is computed independently for each of the quarters presented. The sum of the quarters may not equal the total year amount due to the impact of changes in weighted average quarterly shares outstanding or rounding.