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Earnings per Common Share - (Tables)
6 Months Ended
Jun. 30, 2022
Earnings Per Share [Abstract]  
Reconciliation of Number of Common Shares Used in Calculating Basic and Diluted Net Earnings per Share
 Quarter Ended June 30,Six Months Ended June 30,
(In thousands)2022202120222021
Basic weighted-average common shares outstanding16,849 16,685 16,788 16,678 
Incremental shares due to:
Stock-based awards105 — 171 — 
Performance shares125 — 120 — 
Diluted weighted-average common shares outstanding17,078 16,685 17,080 16,678