Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands		Total		Common Stock [Member]		Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Deferred Compensation [Member]	Treasury Stock, Common
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares Held In Trust For Deferred Compensation Plan		108,000
Common Stock, Dividends, Per Share, Declared		$ 0.535
Beginning Balances (shares) at Dec. 31, 2022				17,741,000
Beginning Balances at Dec. 31, 2022		$ 832,801		$ 8,635		$ 380,036	$ 445,509	$ (1,379)	$ 7,060	$ (7,060)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		36,344					36,344
Other comprehensive income (loss)		(604)						(604)
Other Comprehensive Income (Loss), Net of Tax		(604)
Dividend declared		(9,644)					(9,644)
Retirement savings plan and dividend reinvestment plan (shares)				0
Stock Issued During The Period Value Retirement Savings Plan And Dividend Reinvestment Plan				$ 0		(11)
Share-based compensation (shares)				48,000
Share-based compensation and tax benefit		(11)		$ 24		(322)
Treasury stock activities		(298)					0		1,756	(1,756)
Ending Balances (shares) at Mar. 31, 2023	[1]			17,789,000
Ending Balances at Mar. 31, 2023		$ 858,588	[1]	$ 8,659	[1]	379,703	472,209	(1,983)	8,816	(8,816)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation		20,000
Shares Held In Trust For Deferred Compensation Plan		110,000
Preferred Stock, Shares Authorized		2,000,000,000
Preferred Stock, Par or Stated Value Per Share		$ 10.00
Shares Held In Trust For Deferred Compensation Plan		108,000
Common Stock, Dividends, Per Share, Declared		$ 0.590
Beginning Balances (shares) at Dec. 31, 2023	[1],[2]			22,235,000
Beginning Balances at Dec. 31, 2023		$ 1,246,104		$ 10,823	[1],[2]	749,356	488,663	(2,738)	9,050	(9,050)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		46,168					46,168
Other comprehensive income (loss)		952						952
Other Comprehensive Income (Loss), Net of Tax		952
Dividend declared		(13,142)					(13,142)
Retirement savings plan and dividend reinvestment plan (shares)				3,000
Stock Issued During The Period Value Retirement Savings Plan And Dividend Reinvestment Plan		273		$ 1		272
Share-based compensation (shares)	[3],[4]			29,000
Share-based compensation and tax benefit	[3],[4]	548		$ 14		534
Treasury stock activities							0		512	(512)
Ending Balances (shares) at Mar. 31, 2024	[1]			22,267,000
Ending Balances at Mar. 31, 2024		$ 1,280,903	[1]	$ 10,838	[1]	$ 750,162	$ 521,689	$ (1,786)	$ 9,562	$ (9,562)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation		14,000
Proceeds from Issuance of Senior Long-Term Debt		$ 550,000		$ 4,400
Preferred Stock, Shares Authorized		2,000,000
Preferred Stock, Par or Stated Value Per Share		$ 10.00
Shares Held In Trust For Deferred Compensation Plan		111,000

[1] 2.0 million shares of preferred stock at $0.01 par value have been authorized. No shares have been issued or are outstanding; accordingly, no information has been included in the Condensed Consolidated Statements of Stockholders’ Equity.    

[2] Includes 111 thousand, 108 thousand, 110 thousand, and 108 thousand shares at March 31, 2024, December 31, 2023, March 31, 2023 and December 31, 2022, respectively, held in a Rabbi Trust related to our Non-Qualified Deferred Compensation Plan. (3)Includes shares issued under the Retirement Savings Plan and DRIP and/or ATM as applicable.

[3] Includes amounts for shares issued for directors’ compensation.

[4] The shares issued under the SICP are net of shares withheld for employee taxes. For the three months ended March 31, 2024 and 2023, we withheld 14 thousand and 20 thousand shares, respectively, for employee taxes. (6)Includes 4.4 million shares issued during 2023 related to the acquisition of FCG. See Notes 3 and 9 for details associated with the FCG acquisition and related financing.