| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
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Three Months Ended September 30,
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Nine Months Ended September 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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54,619,175 |
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54,549,664 |
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54,605,442 |
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54,518,996 |
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Net income available to common stockholders
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$ |
65,571 |
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$ |
59,907 |
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$ |
190,188 |
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$ |
162,038 |
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Basic earnings per common share
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$ |
1.20 |
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$ |
1.10 |
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$ |
3.48 |
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$ |
2.97 |
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Weighted average common shares outstanding
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54,619,175 |
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54,549,664 |
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54,605,442 |
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54,518,996 |
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Dilutive effects of assumed exercise of stock options and vesting of performance shares
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48,780 |
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92,918 |
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57,621 |
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96,651 |
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Weighted average common and dilutive potential common shares outstanding
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54,667,955 |
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54,642,582 |
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54,663,063 |
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54,615,647 |
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Net income available to common stockholders
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$ |
65,571 |
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$ |
59,907 |
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$ |
190,188 |
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$ |
162,038 |
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Diluted earnings per common share
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$ |
1.20 |
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$ |
1.10 |
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$ |
3.48 |
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$ |
2.97 |
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