Leases - Additional Information (Detail) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
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	$ 4,600	$ 16,300
Residual value of leased asset	70,400	70,400
Direct financing lease, Net investment in lease	$ 1,090,906	1,090,906
Discontinued Operations [Member]
Amortization Of ROU assets		$ 11,700
Minimum [Member]
Operating Lease, Weighted Average Remaining Lease Term	1 year	1 year
Lessor, operating lease, term of contract	24 months	24 months
Maximum [Member]
Operating Lease, Weighted Average Remaining Lease Term	25 years	25 years
Lessor, operating lease, term of contract	120 months	120 months