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Long-Term Debt - Consolidated Debt Obligations (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Apr. 24, 2020
Mar. 31, 2021
Dec. 31, 2020
Line Of Credit Facility [Line Items]      
Paycheck Protection Program loan $ 5,500 $ 5,516 [1] $ 5,516 [1]
Long-term debt   255,516 260,516
Revolving Credit Facility [Member]      
Line Of Credit Facility [Line Items]      
Aggregate principal outstanding [2]   $ 250,000 $ 255,000
[1]

See below for additional information regarding the receipt of the paycheck protection program loan.

[2]

The carrying amount of our Revolving Credit Facility approximates fair value because the interest rates are variable and reflective of market rates.