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Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Numerator:      
Net income (loss) $ (850) $ 29,354 $ (21,006)
Less: preferred stock distributions 440 440 152
Net income (loss) available to common shareholders $ (1,290) $ 28,914 $ (21,158)
Denominator:      
Basic 14,482,164 14,426,739 14,291,265
Weighted average shares for diluted earnings per share 14,482,164 14,664,330 14,291,265
Basic [1] $ (0.09) $ 2.00 $ (1.48)
Diluted [1] $ (0.09) $ 1.97 $ (1.48)
Restricted Stock      
Denominator:      
Non-vested restricted stock, units and options 0 11,016 0
Restricted Stock Units      
Denominator:      
Non-vested restricted stock, units and options 0 120,936 0
Stock Options      
Denominator:      
Non-vested restricted stock, units and options 0 105,639 0
[1] For the years ended December 31, 2022 and 2020, “weighted average shares outstanding - basic” was used to calculate “diluted earnings per share” due to a net loss for these periods.