Amount of loss from impairment of right-of-use asset from operating lease.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Restructuring Charges - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Restructuring Charges [Abstract]
Restructuring charges	$ 109	$ 754		$ 1,718	$ 2,029
Operating Lease, Impairment Loss				0	$ 805
Restructuring reserve	1,142			1,142		$ 159
Other Restructuring [Member]
Restructuring Charges [Abstract]
Restructuring charges				1,200
Restructuring reserve	1,056			1,056		0
Employee Severance [Member]
Restructuring Charges [Abstract]
Restructuring charges		200		300
Restructuring reserve	7			7		68
Office Space Reductions [Member]
Restructuring Charges [Abstract]
Restructuring reserve	$ 79			79		$ 91
Corporate, Non-Segment [Member] \| Employee Severance [Member]
Restructuring Charges [Abstract]
Restructuring charges			$ 200	$ 100
Middleton, Wisconsin [Member] \| Office Space Reductions [Member]
Restructuring Charges [Abstract]
Restructuring charges		400
Houston, Texas [Member] \| Office Space Reductions [Member]
Restructuring Charges [Abstract]
Restructuring charges		$ 100
LakeOswegoOregon [Member]
Restructuring Charges [Abstract]
Operating Lease, Impairment Loss			700
Restructuring and Related Cost, Accelerated Depreciation			$ 200