Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Temporary Differences in Deferred Tax Assets and Liabilities (Details)

v3.22.0.1
Income Taxes - Summary of Temporary Differences in Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]    
Unearned revenue $ 5,050 $ 5,633
Basis difference in pension plan liability 128 452
Other 25 0
Total deferred tax assets 5,203 6,085
Property, plant and equipment 16,037 16,314
Real estate and royalty interests 28,114 28,494
Other 0 5
Total deferred tax liabilities 44,151 44,813
Deferred taxes payable $ (38,948) $ (38,728)