Leases - Schedule of Future Minimum Lease Payments under Operating Leases for Continuing and Discontinued Operations (Detail) $ in Thousands	Dec. 31, 2016 USD ($)
Property Subject to or Available for Operating Lease [Line Items]
Operating Leases, 2017	$ 64,623	[1]
Operating Leases, 2018	46,731
Operating Leases, 2019	31,921
Operating Leases, 2020	21,193
Operating Leases, 2021 and thereafter	20,416
Operating Leases, Total	184,884
Continuing Operation [Member]
Property Subject to or Available for Operating Lease [Line Items]
Operating Leases, 2017	51,931	[1]
Operating Leases, 2018	40,579
Operating Leases, 2019	31,084
Operating Leases, 2020	21,193
Operating Leases, 2021 and thereafter	20,416
Operating Leases, Total	165,203
Discontinued Operations [Member]
Property Subject to or Available for Operating Lease [Line Items]
Operating Leases, 2017	12,692	[1]
Operating Leases, 2018	6,152
Operating Leases, 2019	837
Operating Leases, Total	$ 19,681

[1] Amounts include costs associated with executed early termination of real estate leases.