Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2021		55,756,233
Beginning balance at Dec. 31, 2021	$ 2,209,853	$ 296,483	$ (118,027)	$ 1,300,192	$ 741,648	$ (10,443)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	166,068				166,068
Other comprehensive income (loss)	(198,594)					(198,594)
Comprehensive income (loss)	(32,526)
Cash dividends	(49,991)				(49,991)
Issuance of common stock for stock-based compensation awards (in shares)		196,871
Issuance of common stock for stock-based compensation awards	(2,825)		6,450	(9,275)
Stock-based compensation expense	11,505			11,505
Ending balance (in shares) at Dec. 31, 2022		55,953,104
Ending balance at Dec. 31, 2022	2,136,016	$ 296,483	(111,577)	1,302,422	857,725	(209,037)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	144,678				144,678
Other comprehensive income (loss)	54,781					54,781
Comprehensive income (loss)	199,459
Cash dividends	(50,279)				(50,279)
Issuance of common stock for stock-based compensation awards (in shares)		189,103
Issuance of common stock for stock-based compensation awards	(1,529)		6,328	(7,857)
Stock-based compensation expense	$ 13,716			13,716
Ending balance (in shares) at Dec. 31, 2023	56,142,207	56,142,207
Ending balance at Dec. 31, 2023	$ 2,297,383	$ 296,483	(105,249)	1,308,281	952,124	(154,256)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	195,457				195,457
Other comprehensive income (loss)	11,648					11,648
Comprehensive income (loss)	207,105
Cash dividends	(53,727)				(53,727)
Issuance of common stock for stock-based compensation awards (in shares)		235,983
Common stock issued in public offering (in shares)		7,187,500
Common stock issued in public offering	217,000	$ 35,938		181,062
Issuance of common stock for stock-based compensation awards	(3,326)		8,053	(11,379)
Stock-based compensation expense	$ 13,883			13,883
Ending balance (in shares) at Dec. 31, 2024	63,565,690	63,565,690
Ending balance at Dec. 31, 2024	$ 2,678,318	$ 332,421	$ (97,196)	$ 1,491,847	$ 1,093,854	$ (142,608)