Leases - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Operating Lease, Weighted Average Remaining Lease Term	17 years		17 years
Lessee, Operating Lease, Option to Extend	the vast majority of which include one or more options to extend the leases for up to five years resulting in lease terms up to 40 years.
Amortization Of ROU assets	$ 4.1	$ 11.7
Residual value of leased asset	69.8
Carrying value of investment lease	1,600.0		$ 1,400.0
Discontinued Operations [Member]
Amortization Of ROU assets	$ 7.3
Minimum [Member]
Lessor, operating lease, term of contract	24 months
Maximum [Member]
Operating Lease, Weighted Average Remaining Lease Term	25 years
Lessor, operating lease, term of contract	120 months