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Long-Term Debt and Other Liabilities - Additional Information (Detail)
1 Months Ended 3 Months Ended
Mar. 31, 2020
shares
Dec. 11, 2019
USD ($)
shares
May 31, 2022
USD ($)
shares
Apr. 30, 2022
Apr. 30, 2021
USD ($)
shares
Jan. 31, 2021
USD ($)
shares
Nov. 21, 2018
USD ($)
Mar. 31, 2023
USD ($)
$ / shares
shares
Mar. 31, 2022
USD ($)
shares
Dec. 31, 2022
USD ($)
Debt Instrument [Line Items]                    
Amortization of deferred financing costs and interest rate caps               $ 630,000 $ 939,000  
Debt instrument, maturity date       Apr. 30, 2026            
Prepayment Of Net Cash Proceeds Percentage         100.00%          
Prepayment Of Net Cash Proceeds Reduced Percentage         50.00%          
Prepayment Of Net Cash Proceeds Maximum Reduction Percentage         0.00%          
Prepayment Of Net Cash Proceeds Of Debt Offerings Percentage         100.00%          
Additional paid-in capital               $ 1,386,295,000   $ 1,385,933,000
Forward stock repurchase transaction shares, excluded from dilution effect | shares               0 600,000  
Retired shares under Amended and Restated Forward Transaction | shares     600,000              
Convertible Notes [Member]                    
Debt Instrument [Line Items]                    
Forward stock repurchase transaction shares, excluded from dilution effect | shares               7,200,000    
Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Line of credit facility, maximum borrowing capacity         $ 100,000,000.0          
Debt instrument, maturity date         Apr. 30, 2028          
Margin On LIBOR         an adjusted term SOFR rate (subject to a floor of 0.00%) plus an applicable margin ranging from 3.25% to 3.75% per annum depending on GIH’s senior secured first lien net leverage ratio and a credit spread adjustment recommended by the Alternative Reference Rates Committee of 0.11%, 0.26% or 0.43% per annum based on 1-month, 3-month or 6-month term SOFR, respectively or          
Floor rate         0.00%          
Unused Borrowing Fee Percentage               0.25%    
Margin fee               3.25%    
Revolving Credit Facility [Member] | SORF [Member] | 1-month Term [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         0.11%          
Revolving Credit Facility [Member] | SORF [Member] | 3-month Term [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         0.26%          
Revolving Credit Facility [Member] | SORF [Member] | 6-Month Term [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         0.43%          
Revolving Credit Facility [Member] | Minimum                    
Debt Instrument [Line Items]                    
Unused Borrowing Fee Percentage         0.25%          
Revolving Credit Facility [Member] | Minimum | London Interbank Offered Rate (LIBOR) [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         3.25%          
Revolving Credit Facility [Member] | Minimum | Base Rate [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         2.25%          
Revolving Credit Facility [Member] | Maximum                    
Debt Instrument [Line Items]                    
Unused Borrowing Fee Percentage         0.50%          
Revolving Credit Facility [Member] | Maximum | London Interbank Offered Rate (LIBOR) [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         3.75%          
Revolving Credit Facility [Member] | Maximum | Base Rate [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         2.75%          
Term Loan and Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Margin On LIBOR         an adjusted term SOFR rate (subject to a floor of 0.75%) plus an applicable margin of 3.75% and a credit spread adjustment recommended by the Alternative Reference Rates Committee of 0.11%, 0.26% or 0.43% per annum based on 1-month, 3-month or 6-month term SOFR, respectively or          
Floor rate         0.75%          
Term Loan and Revolving Credit Facility [Member] | SORF [Member] | 1-month Term [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         0.11%          
Term Loan and Revolving Credit Facility [Member] | SORF [Member] | 2-month Term [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         0.26%          
Term Loan and Revolving Credit Facility [Member] | SORF [Member] | 3-month Term [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         0.43%          
Term Loan and Revolving Credit Facility [Member] | Minimum | London Interbank Offered Rate (LIBOR) [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         3.75%          
Term Loan and Revolving Credit Facility [Member] | Minimum | Base Rate [Member]                    
Debt Instrument [Line Items]                    
Interest Rate On Debt         2.75%          
Line Of Credit [Member]                    
Debt Instrument [Line Items]                    
Line of credit facility, maximum borrowing capacity         $ 725,000,000.0          
Term loan discount rate         0.50%          
Line Of Credit [Member] | Term Loan and Revolving Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Prepayment of annual excess cash flow, Percentage         50.00%          
Reduction in Prepayment of annual excess cash flow, Percentage         25.00%          
Maximum reduction in Prepayment of annual excess cash flow, Percentage         0.00%          
Leverage ratio         7.50          
Percentage Of All Commitments         35.00%          
2024 Senior Secured Notes [Member]                    
Debt Instrument [Line Items]                    
Amortization of deferred financing costs and interest rate caps               $ 600,000 $ 700,000  
Aggregate principal amount               712,300,000   714,100,000
Total debt               709,600,000   711,300,000
Loan origination fees               19,700,000    
Debt issuance costs               14,700,000   15,300,000
Convertible Notes, unamortized discount               $ 2,700,000   2,800,000
6.00% Convertible Senior Notes [Member]                    
Debt Instrument [Line Items]                    
Amortization of deferred financing costs and interest rate caps                 $ 300,000  
Interest rate             6.00%      
Debt issuance costs                   $ 0
Conversion of Stock, Amount Converted           $ 135,000,000.0        
Conversion of Stock, Shares Issued | shares           24,353,006        
Conversion rate               166.6667    
Principal amount               $ 1,000    
Conversion price | $ / shares               $ 6.00    
6.00% Convertible Senior Notes [Member] | Issuance Costs [Member]                    
Debt Instrument [Line Items]                    
Loan origination fees             $ 8,100,000      
6.00% Convertible Senior Notes [Member] | Institutional Buyers [Member]                    
Debt Instrument [Line Items]                    
Aggregate principal amount             $ 237,800,000      
2022 Convertible Notes [Member]                    
Debt Instrument [Line Items]                    
Aggregate principal amount     $ 102,800,000              
Issuance of common stock shares | shares     17,131,332              
3.75% Convertible Senior Notes [Member]                    
Debt Instrument [Line Items]                    
Forward stock repurchase transactions amount   $ 140,000,000.0           $ 140,000,000.0    
Forward stock repurchase transaction shares, excluded from dilution effect | shares 5,100,000 2,100,000     1,500,000          
3.75% Convertible Senior Notes [Member] | Convertible Notes [Member]                    
Debt Instrument [Line Items]                    
Interest rate               3.75%    
Chairman and Chief Executive Officer | Thorndale Farm Private Equity Fund 2, LLC | 2022 Convertible Notes [Member]                    
Debt Instrument [Line Items]                    
Aggregate principal amount     $ 8,000,000.0              
Issuance of common stock shares | shares     1,333,333