Leases - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020
U.K. Facilities [Member] | Elderly Care Facility
Lessee Lease Description [Line Items]
Non-cash lease impairment charge	$ 16,400
Minimum [Member]
Lessee Lease Description [Line Items]
Lessee operating and finance lease term of contract		5 years
Maximum [Member]
Lessee Lease Description [Line Items]
Lessee operating and finance lease term of contract		30 years
Copiers and Equipment [Member] | Minimum [Member]
Lessee Lease Description [Line Items]
Lessee operating and finance lease term of contract		1 year
Copiers and Equipment [Member] | Maximum [Member]
Lessee Lease Description [Line Items]
Lessee operating and finance lease term of contract		3 years