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Income Taxes - Effective Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Federal statutory rate 21.00% 21.00% 21.00%
State income taxes, net of federal benefit 1.60% 2.50% 1.70%
Stock compensation (0.20%) (0.30%) (0.80%)
Tax credits (0.20%) (0.40%) (0.10%)
Consolidated partnerships (0.10%) (0.30%) (0.20%)
Tax gain on parent shares held 0.50% 0.00% 0.00%
Valuation allowance for deferred tax assets (0.30%) (3.00%) 0.00%
Change in tax status benefit 0.00% (2.00%) 0.00%
Non-deductible expenses and other, net 0.80% 0.50% 0.90%
Effective tax rate 23.10% 18.00% 22.50%