Commitments and Contingencies - Additional Information (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($) LetterofCredit	Mar. 27, 2020 Installment
Loss Contingencies [Line Items]
Number of letters of credit | LetterofCredit	4
Letters of credit as additional security for lease guarantees	$ 0.8
Employer portion of social security payroll tax percentage		6.20%
Number of installments that deferred employer social security payroll taxes will be repaid | Installment		2
Percentage of deferred social security employer payroll tax to be paid by prescribed dates to be considered timely		50.00%
Minimum [Member]
Loss Contingencies [Line Items]
Percentage of salary exchange program for award	2.00%
Maximum [Member]
Loss Contingencies [Line Items]
Percentage of salary exchange program for award	20.00%
Revolving Credit Facility [Member]
Loss Contingencies [Line Items]
Amount borrowed under facility	$ 29.0