Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation Plans - 2013 Omnibus Equity Incentive Plan (Detail)

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Stock-Based Compensation Plans - 2013 Omnibus Equity Incentive Plan (Detail) - USD ($)
$ / shares in Units, $ in Thousands
Sep. 30, 2023
Aug. 01, 2023
Feb. 09, 2023
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock shares available for grant (in shares) 3,368,324      
Dividends payable $ 1,709     $ 1,603
Semi Annual Regular Dividend        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Dividends payable amount per share (in dollars per share)   $ 0.25 $ 0.25  
2013 Omnibus Equity Incentive Plan | Unvested Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Dividends payable upon vesting of stock $ 2,500