Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Assets Held for Sale (Details)

v3.20.4
Summary of Significant Accounting Policies - Assets Held for Sale (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
facility
Accounting Policies [Abstract]  
Number of facilities held-for-sale | facility 1
Assets Held-for-sale, fair value $ 1.9
Impairment of property held-for-sale $ 0.6