Income Taxes - Principal Reasons for the Difference Between the Effective Tax Rate and UBT Statutory Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Amount [Abstract]
UBT statutory rate	$ 32,604	$ 48,659	$ 36,297
Corporate subsidiaries' federal, state, and local	1,460	1,322	2,025
Foreign subsidiaries taxed at different rates	32,664	43,019	33,969
FIN 48 reserve (release)	0	0	(1,886)
UBT business allocation percentage rate change	(98)	23	8
Deferred tax and payable write-offs	1,089	1,003	(887)
Foreign outside basis difference	(1,535)	1,492	3
Amended 2017 return	0	0	(221)
Effect of ASC 740 adjustments, miscellaneous taxes, and other	5,366	1,799	2,654
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	(5,275)	0	0
Income not taxable resulting from use of UBT business apportionment factors and effect of compensation charge	(26,636)	(34,589)	(26,309)
Income tax expense	$ 39,639	$ 62,728	$ 45,653
Effective Income Tax Rate Reconciliation, Percent [Abstract]
UBT statutory rate, percent	4.00%	4.00%	4.00%
Corporate subsidiaries' federal, state, and local, percent	0.20%	0.20%	0.20%
Foreign subsidiaries taxed at different rates, percent	4.00%	3.50%	3.70%
FIN 48 release, percent	0.00%	0.00%	(0.20%)
UBT Bap Rate Change, percent	0.00%	0.00%	0.00%
Deferred tax and payable write-offs, percent	0.10%	0.10%	(0.10%)
Foreign outside basis difference, percent	(0.20%)	0.10%	0.00%
Amended 2017 return, percent	0.00%	0.00%	0.00%
Effect of ASC 740 adjustments, miscellaneous taxes, and other, percent	0.70%	0.10%	0.30%
Tax Credits, Percent	(0.60%)	0.00%	0.00%
Income not taxable resulting from use of UBT business apportionment factors and effect of compensation charge, percent	(3.30%)	(2.80%)	(2.90%)
Effective tax rate, percent	4.90%	5.20%	5.00%