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CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock
Cumulative Effect, Period of Adoption, Adjusted Balance
Common Stock
Treasury stock
Cumulative Effect, Period of Adoption, Adjusted Balance
Treasury stock
Additional paid-in-capital
Cumulative Effect, Period of Adoption, Adjusted Balance
Additional paid-in-capital
Retained earnings
Cumulative effect, period of adoption, adjustment
Retained earnings
Cumulative Effect, Period of Adoption, Adjusted Balance
Retained earnings
Cumulative effect, period of adoption, adjustment
Cumulative Effect, Period of Adoption, Adjusted Balance
Total
Beginning Balance at Dec. 31, 2021   $ 25   $ (4,477)   $ 175,623     $ 138,223     $ 309,394
Beginning Balance (in shares) at Dec. 31, 2021   24,654,621                    
Share based compensation expense   $ 4       4,003           4,007
Share based compensation expense (in shares)   158,571                    
Net income                 16,092     16,092
Ending Balance at Mar. 31, 2022   $ 29   (4,477)   179,626     154,315     329,493
Ending Balance (in shares) at Mar. 31, 2022   24,813,192                    
Beginning Balance at Dec. 31, 2021   $ 25   (4,477)   175,623     138,223     309,394
Beginning Balance (in shares) at Dec. 31, 2021   24,654,621                    
Net income                       48,088
Ending Balance at Sep. 30, 2022   $ 30   (4,477)   180,361     186,311     362,225
Ending Balance (in shares) at Sep. 30, 2022   24,813,192                    
Beginning Balance at Mar. 31, 2022   $ 29   (4,477)   179,626     154,315     329,493
Beginning Balance (in shares) at Mar. 31, 2022   24,813,192                    
Share based compensation expense           306           306
Net income                 17,261     17,261
Ending Balance at Jun. 30, 2022   $ 29   (4,477)   179,932     171,576     347,060
Ending Balance (in shares) at Jun. 30, 2022   24,813,192                    
Share based compensation expense   $ 1       429           430
Net income                 14,735     14,735
Ending Balance at Sep. 30, 2022   $ 30   (4,477)   180,361     186,311     362,225
Ending Balance (in shares) at Sep. 30, 2022   24,813,192                    
Beginning Balance at Dec. 31, 2022 $ 30 $ 30 $ (4,477) (4,477) $ 180,555 180,555 $ (698) $ 205,298 205,996 $ (698) $ 381,406 $ 382,104
Beginning Balance (in shares) at Dec. 31, 2022 24,814,695 24,814,695                   24,814,695
Share based compensation expense           191           $ 191
Share based compensation expense (in shares)   8,571                    
Net income                 16,276     16,276
Ending Balance at Mar. 31, 2023   $ 30   (4,477)   180,746     221,574     397,873
Ending Balance (in shares) at Mar. 31, 2023   24,823,266                    
Beginning Balance at Dec. 31, 2022 $ 30 $ 30 $ (4,477) (4,477) $ 180,555 180,555 $ (698) $ 205,298 205,996 $ (698) $ 381,406 $ 382,104
Beginning Balance (in shares) at Dec. 31, 2022 24,814,695 24,814,695                   24,814,695
Net income                       $ 47,384
Ending Balance at Sep. 30, 2023   $ 30   (4,477)   181,241     252,682     $ 429,476
Ending Balance (in shares) at Sep. 30, 2023   24,836,862                   24,836,862
Beginning Balance at Mar. 31, 2023   $ 30   (4,477)   180,746     221,574     $ 397,873
Beginning Balance (in shares) at Mar. 31, 2023   24,823,266                    
Share based compensation expense           196           196
Share based compensation expense (in shares)   7,350                    
Proceeds from exercise of stock options           100           100
Proceeds from exercise of stock options (in shares)   6,246                    
Net income                 15,020     15,020
Ending Balance at Jun. 30, 2023   $ 30   (4,477)   181,042     236,594     413,189
Ending Balance (in shares) at Jun. 30, 2023   24,836,862                    
Share based compensation expense           199           199
Net income                 16,088     16,088
Ending Balance at Sep. 30, 2023   $ 30   $ (4,477)   $ 181,241     $ 252,682     $ 429,476
Ending Balance (in shares) at Sep. 30, 2023   24,836,862                   24,836,862