Annual report pursuant to Section 13 and 15(d)

CAPITAL TRANSACTIONS - Narrative (Details)

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CAPITAL TRANSACTIONS - Narrative (Details)
 1 Months Ended 12 Months Ended
May 05, 2021
shares
Apr. 05, 2021
USD ($)
$ / shares
Mar. 10, 2021
USD ($)
shares
Jan. 31, 2015
shares
Dec. 31, 2021
USD ($)
installment
$ / shares
shares
Dec. 31, 2020
USD ($)
installment
$ / shares
shares
Dec. 31, 2019
shares
Dec. 31, 2012
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common stock, dividends (in dollars per share) | $ / shares   $ 1.00            
Dividends, common stock, cash | $   $ 19,900,000     $ 19,858,000      
Cash dividend per common share (in dollars per share) | $ / shares         $ 1.00 $ 0    
Stock repurchase program, authorized amount | $     $ 15,000,000          
Repurchase of common stock (in shares)         439,000      
Repurchase of common stock | $         $ 7,425,000      
Stock repurchase program, remaining authorized repurchase amount | $         $ 7,600,000      
Stock options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in shares)         0 0    
Shares exercised (in shares)         54,000 64,000    
Granted (in dollars per share) | $ / shares         $ 0 $ 0    
Aggregate intrinsic values of options exercised | $         $ 400,000 $ 200,000    
Related tax benefit | $         $ 200,000 $ 100,000    
Outstanding options to purchase (in shares)         172,000 226,000 290,000  
Aggregate Intrinsic value, outstanding | $         $ 1,100,000 $ 700,000    
Time-based stock options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based compensation expense | $         0 0    
Unrecognized share-based compensation expense, options | $         $ 0 0    
Time-based stock options | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period         48 months      
Performance based stock options operating income margins                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Operating income margin, one         6.00%      
Operating income margin, two         8.00%      
Operating income margin, three         10.00%      
Unvested stock options outstanding (in shares)         0      
RSUs                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based compensation expense | $     $ 0   $ 2,100,000 1,900,000    
Unrecognized share-based compensation expense, options | $         $ 1,600,000 $ 1,300,000    
Discount for lack of marketability         12.70%      
Performance period         3 years      
Expected volatility, minimum         52.90%      
Expected volatility, maximum         54.70%      
Risk free interest rate, minimum         0.30%      
Risk free interest rate, maximum         0.90%      
Weighted-average period over which the remaining compensation expense is expected to be recognized (years)         7 months 6 days      
Minimum withholding requirements (in shares)         165,000 63,000    
RSUs | Minimum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period         12 months      
RSUs | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period         36 months      
Time-Based Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in shares)     22,000          
Performance-Based Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based compensation expense | $         $ 1,500,000 $ 900,000    
Granted (in shares)     26,200          
Share based compensation potential compensation expense to be recognized | $         2,300,000      
Performance-Based Restricted Stock Units (RSUs) | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share based compensation potential compensation expense to be recognized | $         $ 2,300,000      
2012 Stock Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized under the plan (in shares)               1,500,000
Additional number of shares authorized under the plan (in shares) 2,000,000     1,500,000        
2012 Stock Incentive Plan | Stock options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in shares)         0 0    
Shares exercised (in shares)         54,000 64,000    
Granted (in dollars per share) | $ / shares         $ 12.00 $ 9.33    
2012 Stock Incentive Plan | RSUs                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period         1 year 1 year    
Granted (in shares)         364,000 691,000    
Weighted-average grant date fair value (in dollars per share) | $ / shares         $ 13.74 $ 5.84    
2012 Stock Incentive Plan | RSUs | Director                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Restriction period         2 years      
Number of shares subject to restriction period (in shares)         88,000 82,000    
2012 Stock Incentive Plan | RSUs | Minimum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period         12 months      
2012 Stock Incentive Plan | RSUs | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period         36 months      
2012 Stock Incentive Plan | Time-Based Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period         3 years 3 years    
Weighted-average grant date fair value (in dollars per share) | $ / shares         $ 18.05 $ 7.68    
Number of monthly installments for vesting of stock awards | installment         12 12    
2012 Stock Incentive Plan | Performance-Based Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period         3 years      
Weighted-average grant date fair value (in dollars per share) | $ / shares         $ 14.14 $ 4.51    
2012 Stock Incentive Plan | Performance-Based Restricted Stock Units (RSUs) | Net Sales and Operating Income Targets                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period           3 years    
2009 Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized under the plan (in shares)         400,000