Leases (Lessee) - Summary of Lease Expense (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Lessee Lease Description [Line Items]
Operating lease cost	$ 2,096	[1],[2]
Finance lease cost:
Total lease cost	1,230
Real Estate Depreciation and Amortization [Member]
Finance lease cost:
Amortization of right-of-use assets	13
Interest Expense [Member]
Finance lease cost:
Interest on lease liabilities	21
Interest and Other Income [Member]
Finance lease cost:
Sublease income	$ (900)

[1] $1.6 million included in Property-related, with the remainder reflected in General and administrative expenses.

[2] Includes short-term leases.