Debt - Schedule of Applicable Percentages (Detail)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Line Of Credit Facility [Line Items]
Consolidated Leverage Ratio	3.10%	2.70%
Prior Senior Secured Credit Facility | Pricing Tier 1
Line Of Credit Facility [Line Items]
Commitment Fee	0.50%
Prior Senior Secured Credit Facility | Pricing Tier 1 | Minimum
Line Of Credit Facility [Line Items]
Consolidated Leverage Ratio	375.00%
Prior Senior Secured Credit Facility | Pricing Tier 1 | Eurodollar Rate Loans and LIBOR Letter of Credit Fee
Line Of Credit Facility [Line Items]
Interest rate	4.00%
Prior Senior Secured Credit Facility | Pricing Tier 1 | Daily Floating Rate Loans
Line Of Credit Facility [Line Items]
Interest rate	4.00%
Prior Senior Secured Credit Facility | Pricing Tier 1 | Rate Loans
Line Of Credit Facility [Line Items]
Interest rate	3.00%
Prior Senior Secured Credit Facility | Pricing Tier 2
Line Of Credit Facility [Line Items]
Commitment Fee	0.50%
Prior Senior Secured Credit Facility | Pricing Tier 2 | Maximum
Line Of Credit Facility [Line Items]
Consolidated Leverage Ratio	375.00%
Prior Senior Secured Credit Facility | Pricing Tier 2 | Minimum
Line Of Credit Facility [Line Items]
Consolidated Leverage Ratio	300.00%
Prior Senior Secured Credit Facility | Pricing Tier 2 | Eurodollar Rate Loans and LIBOR Letter of Credit Fee
Line Of Credit Facility [Line Items]
Interest rate	3.50%
Prior Senior Secured Credit Facility | Pricing Tier 2 | Daily Floating Rate Loans
Line Of Credit Facility [Line Items]
Interest rate	3.50%
Prior Senior Secured Credit Facility | Pricing Tier 2 | Rate Loans
Line Of Credit Facility [Line Items]
Interest rate	2.50%
Prior Senior Secured Credit Facility | Pricing Tier 3
Line Of Credit Facility [Line Items]
Commitment Fee	0.40%
Prior Senior Secured Credit Facility | Pricing Tier 3 | Maximum
Line Of Credit Facility [Line Items]
Consolidated Leverage Ratio	300.00%
Prior Senior Secured Credit Facility | Pricing Tier 3 | Minimum
Line Of Credit Facility [Line Items]
Consolidated Leverage Ratio	225.00%
Prior Senior Secured Credit Facility | Pricing Tier 3 | Eurodollar Rate Loans and LIBOR Letter of Credit Fee
Line Of Credit Facility [Line Items]
Interest rate	3.00%
Prior Senior Secured Credit Facility | Pricing Tier 3 | Daily Floating Rate Loans
Line Of Credit Facility [Line Items]
Interest rate	3.00%
Prior Senior Secured Credit Facility | Pricing Tier 3 | Rate Loans
Line Of Credit Facility [Line Items]
Interest rate	2.00%
Prior Senior Secured Credit Facility | Pricing Tier 4
Line Of Credit Facility [Line Items]
Commitment Fee	0.30%
Prior Senior Secured Credit Facility | Pricing Tier 4 | Maximum
Line Of Credit Facility [Line Items]
Consolidated Leverage Ratio	225.00%
Prior Senior Secured Credit Facility | Pricing Tier 4 | Eurodollar Rate Loans and LIBOR Letter of Credit Fee
Line Of Credit Facility [Line Items]
Interest rate	2.50%
Prior Senior Secured Credit Facility | Pricing Tier 4 | Daily Floating Rate Loans
Line Of Credit Facility [Line Items]
Interest rate	2.50%
Prior Senior Secured Credit Facility | Pricing Tier 4 | Rate Loans
Line Of Credit Facility [Line Items]
Interest rate	1.50%