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Stockholders' Equity - Additional Information (Detail) - USD ($)
 12 Months Ended
Jul. 06, 2020
Dec. 31, 2019
Apr. 19, 2016
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2016
Stockholders Equity [Line Items]              
Number of shares reserved       200,000      
Ownership change description       A company generally experiences an ownership change if the percentage of the value of its stock owned by certain 5% shareholders, as defined in Section 382 of the Code, increases by more than 50% points over a rolling three-year period.      
Beneficial ownership percentage 4.90%            
2021 Restricted Stock [Member]              
Stockholders Equity [Line Items]              
Restricted stock, vesting percentage per year       33.33%      
Restricted stock, vesting period       3 years      
2021 Restricted Stock [Member] | Tranche Three [Member]              
Stockholders Equity [Line Items]              
Restricted stock, vesting percentage       100.00%      
2020 Restricted Stock [Member]              
Stockholders Equity [Line Items]              
Restricted stock, vesting percentage per year         33.33%    
Restricted stock, vesting period         3 years    
2020 Restricted Stock [Member] | Tranche Two [Member]              
Stockholders Equity [Line Items]              
Restricted stock, vesting percentage         100.00%    
2019 Restricted Stock [Member]              
Stockholders Equity [Line Items]              
Restricted stock, vesting percentage per year           33.33%  
Restricted stock, vesting period           1 year  
2019 Restricted Stock [Member] | Tranche One [Member]              
Stockholders Equity [Line Items]              
Restricted stock, vesting percentage           100.00%  
Performance Based Restricted Stock [Member]              
Stockholders Equity [Line Items]              
Awards granted   358,000   675,532 398,134 287,871  
Restricted Stock Units (RSUs) [Member]              
Stockholders Equity [Line Items]              
Awards granted       327,188 301,361 41,383  
Vesting description       Vesting occurs upon the earliest to occur: (i) the director’s separation from service, (ii) the first anniversary of the grant date (for the 2021 and 2020 grants), (iii) the third anniversary of the grant date (for 2019 grant), or (iv) the occurrence of a change of control, as defined by the agreement.      
2016 Plan [Member]              
Stockholders Equity [Line Items]              
Term of long term incentive plan     10 years        
Aggregate number of shares reserved and available for issuance       2,800,002     5,750,000
Minimum exercise price of stock option at grant date       No less than 100% of the fair market value, as defined in the 2016 Plan, of the shares on the date of grant.      
Percentage of fair market value             100.00%
Maximum term of stock option             10 years
Options granted       0 0 0  
Total stock based compensation expense not yet recognized, relating to non-vested equity awards       $ 4,079,000      
2008 Plan [Member]              
Stockholders Equity [Line Items]              
Awards granted             0
Options vest at a percentage rate for first 5 years       16.50%      
Options final year vesting       end of the sixth year