Leases - Schedule of Future Minimum Lease Payments under Operating Leases Included in Lease Liabilities for Continuing and Discontinued Operations (Detail) - USD ($) $ in Thousands		Dec. 31, 2019		Dec. 31, 2018
Lessee Lease Description [Line Items]
Operating Leases, 2019	[1]			$ 21,884
Operating Leases, 2020				17,728
Operating Leases, 2021				12,070
Operating Leases, 2022				8,638
Operating Leases, 2023 and thereafter				22,298
Operating Leases, Total				82,618
Less: current lease liabilities		$ 11,784
Non-current lease liabilities		52,391
Continuing Operation [Member]
Lessee Lease Description [Line Items]
Operating Leases, 2019	[1]			21,076
Operating Leases, 2020		15,096	[2]	17,728
Operating Leases, 2021		13,482		12,070
Operating Leases, 2022		11,702		8,638
Operating Leases, 2023		7,320
Operating Leases, 2023 and thereafter				22,298
Operating Leases, 2024 and thereafter		29,247
Operating Leases, Total		76,847		81,810
Less: imputed interest		12,672
Present value of future minimum lease payments		64,175
Less: current lease liabilities		11,784
Non-current lease liabilities		$ 52,391
Discontinued Operations [Member]
Lessee Lease Description [Line Items]
Operating Leases, 2019	[1]			808
Operating Leases, Total				$ 808

[1] Amounts include payments due associated with executed early terminations of real estate leases and represent payments for the full year 2019.

[2] Amounts provided are for liabilities remaining as of December 31, 2019