| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
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Three Months Ended June 30,
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Six Months Ended June 30,
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2025
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2024
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2025
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2024
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(In Thousands, Except Shares and Per Share Data)
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Earnings per common share
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Weighted average common shares outstanding
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54,610,516 |
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54,516,638 |
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54,603,086 |
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54,503,829 |
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Net income available to common stockholders
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$ |
61,393 |
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$ |
52,105 |
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$ |
124,617 |
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$ |
102,131 |
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Basic earnings per common share
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$ |
1.12 |
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$ |
0.96 |
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$ |
2.28 |
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$ |
1.87 |
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Weighted average common shares outstanding
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54,610,516 |
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54,516,638 |
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54,603,086 |
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54,503,829 |
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Dilutive effects of assumed exercise of stock options and vesting of performance shares
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53,964 |
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92,041 |
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57,491 |
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98,203 |
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Weighted average common and dilutive potential common shares outstanding
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54,664,480 |
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54,608,679 |
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54,660,577 |
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54,602,032 |
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Net income available to common stockholders
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$ |
61,393 |
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$ |
52,105 |
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$ |
124,617 |
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$ |
102,131 |
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Diluted earnings per common share
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$ |
1.12 |
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$ |
0.95 |
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$ |
2.28 |
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$ |
1.87 |
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