Commitments and Contingencies - Additional Information 13 (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Oct. 22, 2014	Oct. 20, 2014	Oct. 10, 2014	Aug. 28, 2014
Irimi
Loss Contingencies [Line Items]
Allocation of fault to plaintiff					70.00%
Allocation of fault					14.50%
Compensatory damages					$ 3,100
Total damages					$ 453
Irimi | Lorillard Tobacco
Loss Contingencies [Line Items]
Allocation of fault	14.50%				14.50%
Total damages					$ 453
Irimi | Other Defendant
Loss Contingencies [Line Items]
Allocation of fault					1.00%
Total damages					$ 31
Lourie
Loss Contingencies [Line Items]
Allocation of fault to plaintiff				63.00%
Allocation of fault				3.00%
Compensatory damages				$ 1,370
Lourie | Lorillard Tobacco
Loss Contingencies [Line Items]
Allocation of fault	7.00%			7.00%
Lourie | Other Defendant
Loss Contingencies [Line Items]
Allocation of fault				27.00%
Kerrivan
Loss Contingencies [Line Items]
Allocation of fault to plaintiff			19.00%
Allocation of fault			31.00%
Compensatory damages			$ 15,800
Punitive damages		$ 9,600
Kerrivan | Other Defendant
Loss Contingencies [Line Items]
Allocation of fault			50.00%
Punitive damages		$ 15,700