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Income Taxes - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards, not subject to expiration $ 15.2
Operating loss carryforwards, subject to expiration 0.9
Change in the valuation for the current year 2.5
Taxable REIT Subsidiaries  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforward 16.1
Capital losses $ 13.0