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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Retained Earnings
Accumulated Other Comprehensive Income (Lossses)
Treasury Stock
Balance at beginning of period (in shares) at Dec. 31, 2020   52,536,482        
Balance at beginning of period at Dec. 31, 2020 $ 404,879 $ 755 $ 644,695 $ 107,233 $ 7,633 $ (355,437)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 3,217     3,217    
Foreign currency translation (303)       (303)  
Stock-based compensation (in shares)   101,083        
Stock-based compensation 2,032 $ 1 2,031      
Stock repurchase (in shares)   (1,038,674)        
Stock repurchase (19,321)         (19,321)
Common stock dividends (3,967)     (3,967)    
Unrealized gain on derivative instruments 14,530       14,530  
Stock option exercises (in shares)   112,400        
Stock option exercises 1,235 $ 1 1,234      
Balance at end of period (in shares) at Mar. 31, 2021   51,711,291        
Balance at end of period at Mar. 31, 2021 402,302 $ 757 647,960 106,483 21,860 (374,758)
Balance at beginning of period (in shares) at Dec. 31, 2021   48,954,482        
Balance at beginning of period at Dec. 31, 2021 325,539 $ 759 653,978 92,111 859 (422,168)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 12,074     12,074    
Foreign currency translation 243       243  
Stock-based compensation (in shares)   277,124        
Stock-based compensation 2,277 $ 5 2,272      
Stock repurchase (in shares)   (247,174)        
Stock repurchase (8,013)         (8,013)
Common stock dividends (4,065)     (4,065)    
Unrealized gain on derivative instruments 13,585       13,585  
Stock option exercises (in shares)   48,208        
Stock option exercises 613   613      
Balance at end of period (in shares) at Mar. 31, 2022   49,032,640        
Balance at end of period at Mar. 31, 2022 $ 342,253 $ 764 $ 656,863 $ 100,120 $ 14,687 $ (430,181)