Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Statutory Tax Rate (Details)

v3.20.4
Income Taxes - Reconciliation of Statutory Tax Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Tax at statutory rate $ (47,793) $ 22,140 $ 17,644
State income taxes, net of federal income tax benefit (2,324) 6,802 2,541
Tax on global intangible low-taxed income 7,820 8,741 14,465
Change in valuation allowances 135 1,415 5,070
Rate changes 4,274 1,054 (4,016)
Foreign withholding taxes 258 (6,116) 142
Foreign tax rate differential 1,240 3,278 6,439
Non-taxable interest (5,353) 0 0
Non-deductible goodwill 53,342 0 0
Foreign tax credits (56,359) 0 0
Permanent difference created by foreign exchange gain or loss (1,324) 1,852 (4,839)
Other, net (2,038) 511 (3,805)
Total $ (48,122) $ 39,677 $ 33,641