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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Earnings Per Share [Abstract]
Outstanding stock options (in shares)	0	0	0	0
Distributed earnings allocated to common stock	$ 9,296	$ 8,821	$ 27,462	$ 25,438
Undistributed earnings allocated to common stock	32,630	25,801	88,672	74,795
Net earnings allocated to common stock	41,926	34,622	116,134	100,233
Net earnings allocated to participating securities	370	315	1,001	952
Net income available to common shareholders	$ 42,296	$ 34,937	$ 117,135	$ 101,185
Weighted average shares outstanding for basic earnings per common share	24,472,035	24,514,144	24,519,828	24,489,665
Dilutive effect of stock compensation (in shares)	0	0	0	0
Weighted average shares outstanding for diluted earnings per common share	24,472,035	24,514,144	24,519,828	24,489,665
Basic earnings per common share (in dollars per share)	$ 1.71	$ 1.41	$ 4.74	$ 4.09
Diluted earnings per common share (in dollars per share)	$ 1.71	$ 1.41	$ 4.74	$ 4.09

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Amount of earnings (loss) allocated to common stock for the basic earnings (loss) per share or per unit calculation under the two-class method.

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