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Assets Held for Sale - Additional Information (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
Property
Store
Jun. 30, 2020
USD ($)
Property
Jun. 30, 2021
USD ($)
Property
Store
Jun. 30, 2020
USD ($)
Property
Dec. 31, 2020
Store
Long Lived Assets Held-for-sale [Line Items]          
Number of properties sold | Property 6 7 9 13  
Proceeds from sale of properties $ 3.0 $ 4.4 $ 3.9 $ 9.5  
Gain on sales of assets, net $ 1.1 $ 0.2 $ 1.1 $ 1.8  
Assets Held-for-sale [Member]          
Long Lived Assets Held-for-sale [Line Items]          
Number of Stores | Store 17   17   25