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Net Income Per Share (Tables)
 6 Months Ended
Jun. 30, 2021
Earnings Per Share [Abstract]  
Schedule of reconciliation of the numerator and denominator of Basic EPS to the numerator and denominator of Diluted EPS Following is a reconciliation of the numerator and denominator of Basic EPS to the numerator and denominator of Diluted EPS for the three and six months ended June 30, 2021 and 2020 (dollar and share amounts in thousands, except for per share information):
 Three Months Ended
June 30,		Six Months Ended
June 30,
 2021202020212020
Net income attributable to common shareholders$6,540 $5,754 $10,556 $8,716 
Basic weighted average shares outstanding19,999 19,491 19,897 19,472 
Basic earnings per share attributable to common shareholders$0.33 $0.30 $0.53 $0.45 
Diluted shares outstanding:    
Basic weighted-average shares outstanding19,999 19,491 19,897 19,472 
Stock-based awards504 292 443 253 
Diluted weighted-average shares outstanding20,503 19,783 20,340 19,725 
Diluted earnings per share attributable to common shareholders$0.32 $0.29 $0.52 $0.44 
Dilutive shares excluded from diluted-per-share amounts:    
Stock options563 844 563 844 
Anti-dilutive shares excluded from diluted-per-share amounts:    
Stock options— 264 — 239