Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Treasury
Additional Paid-In Capital
Retained Earnings
Noncontrolling Interest Non Redeemable
Beginning balance at Dec. 31, 2020 $ 1,613,354 $ 364 $ (69,011) $ 962,120 $ 635,297 $ 84,584
Beginning balance, Common stock (in shares) at Dec. 31, 2020   36,355,497        
Beginning balance, Treasury stock (in shares) at Dec. 31, 2020     5,215,657      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income [1] 39,128       34,659 4,469
Noncontrolling interest distributions (2,417)         (2,417)
Nonvested stock compensation 3,513     3,513    
Issuance of vested stock 1 $ 1        
Issuance of vested stock (in shares)   148,447        
Treasury shares redeemed to pay income tax (9,541)   $ (9,541)      
Treasury shares redeemed to pay income tax (in shares)     51,221      
Purchase of additional controlling interest (142)     (81)   (61)
Sale of noncontrolling interest 138          
Issuance of common stock under Employee Stock Purchase Plan (in shares)   3,204        
Issuance of common stock under Employee Stock Purchase Plan 649     649    
Ending balance at Mar. 31, 2021 1,644,683 $ 365 $ (78,552) 966,201 669,956 86,713
Ending balance, Common stock (in shares) at Mar. 31, 2021   36,507,148        
Ending balance, Treasury stock (in shares) at Mar. 31, 2021     5,266,878      
Beginning balance at Dec. 31, 2020 1,613,354 $ 364 $ (69,011) 962,120 635,297 84,584
Beginning balance, Common stock (in shares) at Dec. 31, 2020   36,355,497        
Beginning balance, Treasury stock (in shares) at Dec. 31, 2020     5,215,657      
Ending balance at Sep. 30, 2021 1,716,193 $ 365 $ (80,605) 974,680 735,333 86,420
Ending balance, Common stock (in shares) at Sep. 30, 2021   36,540,219        
Ending balance, Treasury stock (in shares) at Sep. 30, 2021     5,276,834      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income attributable to noncontrolling interest-redeemable 9,100          
Beginning balance at Mar. 31, 2021 1,644,683 $ 365 $ (78,552) 966,201 669,956 86,713
Beginning balance, Common stock (in shares) at Mar. 31, 2021   36,507,148        
Beginning balance, Treasury stock (in shares) at Mar. 31, 2021     5,266,878      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income [1] 42,875       37,643 5,232
Noncontrolling interest distributions (4,660)         (4,660)
Nonvested stock compensation 3,993     3,993    
Issuance of vested stock (in shares)   15,531        
Treasury shares redeemed to pay income tax (1,213)   $ (1,213)      
Treasury shares redeemed to pay income tax (in shares)     6,024      
Purchase of additional controlling interest (1,598)     (870)   (728)
Issuance of common stock under Employee Stock Purchase Plan (in shares)   3,152        
Issuance of common stock under Employee Stock Purchase Plan 573     573    
Ending balance at Jun. 30, 2021 1,684,653 $ 365 $ (79,765) 969,897 707,599 86,557
Ending balance, Common stock (in shares) at Jun. 30, 2021   36,525,831        
Ending balance, Treasury stock (in shares) at Jun. 30, 2021     5,272,902      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income [1] 30,916       27,734 3,182
Noncontrolling interest distributions (5,052)         (5,052)
Nonvested stock compensation 4,211     4,211    
Issuance of vested stock (in shares)   10,943        
Treasury shares redeemed to pay income tax (840)   $ (840) 0    
Treasury shares redeemed to pay income tax (in shares)     3,932      
Sale of noncontrolling interest 1,650     (83)   1,733
Issuance of common stock under Employee Stock Purchase Plan (in shares)   3,445        
Issuance of common stock under Employee Stock Purchase Plan 655     655    
Ending balance at Sep. 30, 2021 1,716,193 $ 365 $ (80,605) 974,680 735,333 86,420
Ending balance, Common stock (in shares) at Sep. 30, 2021   36,540,219        
Ending balance, Treasury stock (in shares) at Sep. 30, 2021     5,276,834      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income attributable to noncontrolling interest-redeemable 2,900          
Beginning balance at Dec. 31, 2021 $ 1,652,099 $ 365 $ (164,790) 979,642 751,025 85,857
Beginning balance, Common stock (in shares) at Dec. 31, 2021 36,549,524 36,549,524        
Beginning balance, Treasury stock (in shares) at Dec. 31, 2021 5,915,110   5,915,110      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income [2] $ 22,214       19,454 2,760
Noncontrolling interest distributions (2,970)         (2,970)
Nonvested stock compensation 4,376     4,376    
Issuance of vested stock 2 $ 2        
Issuance of vested stock (in shares)   132,651        
Treasury shares redeemed to pay income tax (3,140)   $ (3,208) 68    
Treasury shares redeemed to pay income tax (in shares)     23,022      
Repurchase of common stock $ (25,472)   $ (25,472)      
Repurchase of common stock (in shares)     190,622      
Issuance of common stock under Employee Stock Purchase Plan (in shares) 5,353 5,353        
Issuance of common stock under Employee Stock Purchase Plan $ 698     698    
Ending balance at Mar. 31, 2022 1,647,807 $ 367 $ (193,470) 984,784 770,479 85,647
Ending balance, Common stock (in shares) at Mar. 31, 2022   36,687,528        
Ending balance, Treasury stock (in shares) at Mar. 31, 2022     6,128,754      
Beginning balance at Dec. 31, 2021 $ 1,652,099 $ 365 $ (164,790) 979,642 751,025 85,857
Beginning balance, Common stock (in shares) at Dec. 31, 2021 36,549,524 36,549,524        
Beginning balance, Treasury stock (in shares) at Dec. 31, 2021 5,915,110   5,915,110      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Treasury shares redeemed to pay income tax (in shares) 28,802          
Ending balance at Sep. 30, 2022 $ 1,685,514 $ 367 $ (195,447) 997,115 798,372 85,107
Ending balance, Common stock (in shares) at Sep. 30, 2022 36,733,790 36,733,790        
Ending balance, Treasury stock (in shares) at Sep. 30, 2022 6,146,055   6,146,055      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income attributable to noncontrolling interest-redeemable $ 6,991          
Beginning balance at Mar. 31, 2022 1,647,807 $ 367 $ (193,470) 984,784 770,479 85,647
Beginning balance, Common stock (in shares) at Mar. 31, 2022   36,687,528        
Beginning balance, Treasury stock (in shares) at Mar. 31, 2022     6,128,754      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income [2] 12,708       10,584 2,124
Acquired noncontrolling interest 707         707
Noncontrolling interest distributions (3,281)         (3,281)
Nonvested stock compensation 4,943     4,943    
Issuance of vested stock (in shares)   7,556        
Treasury shares redeemed to pay income tax (508)   $ (852) 344    
Treasury shares redeemed to pay income tax (in shares)     5,144      
Exercise of options (in shares)   5,124 2,319      
Exercise of options (218)   $ (68) (150)    
Purchase of additional controlling interest $ (376)     (209)   (167)
Issuance of common stock under Employee Stock Purchase Plan (in shares) 3,342 3,342        
Issuance of common stock under Employee Stock Purchase Plan $ 535     535    
Ending balance at Jun. 30, 2022 1,662,317 $ 367 $ (194,390) 990,247 781,063 85,030
Ending balance, Common stock (in shares) at Jun. 30, 2022   36,703,550        
Ending balance, Treasury stock (in shares) at Jun. 30, 2022     6,136,217      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income [2] 20,020       17,309 2,711
Noncontrolling interest distributions (2,581)         (2,581)
Nonvested stock compensation 5,971     5,971    
Issuance of vested stock (in shares)   17,274        
Treasury shares redeemed to pay income tax (415)   $ (927) 512    
Treasury shares redeemed to pay income tax (in shares)     5,908      
Exercise of options (in shares)   8,862 3,930      
Exercise of options (348)   $ (130) (218)    
Purchase of additional controlling interest $ (57)     (4)   (53)
Issuance of common stock under Employee Stock Purchase Plan (in shares) 4,104 4,104        
Issuance of common stock under Employee Stock Purchase Plan $ 607     607    
Ending balance at Sep. 30, 2022 $ 1,685,514 $ 367 $ (195,447) $ 997,115 $ 798,372 $ 85,107
Ending balance, Common stock (in shares) at Sep. 30, 2022 36,733,790 36,733,790        
Ending balance, Treasury stock (in shares) at Sep. 30, 2022 6,146,055   6,146,055      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income attributable to noncontrolling interest-redeemable $ 2,000          
[1] Net income excludes net income attributable to noncontrolling interest-redeemable of $2.9 million and $9.1 million during the three and nine months ended September 30, 2021. Noncontrolling interest-redeemable is reflected outside of permanent equity on the condensed consolidated balance sheets. See Note 8 of the Notes to Condensed Consolidated Financial Statements.
[2] Net income excludes net income attributable to noncontrolling interest-redeemable of $2.0 million and $7.0 million during the three and nine months ended September 30, 2022. Noncontrolling interest-redeemable is reflected outside of permanent equity on the condensed consolidated balance sheets. See Note 8 of the Notes to Condensed Consolidated Financial Statements.