CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Employee Stock Ownership Plan	Preferred Stock	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Non-Controlling Interest
Beginning Balance at Dec. 31, 2020	$ 1,484,130	$ (7,433)	$ 1	$ 609	$ 1,137,715	$ 378,268	$ 621	$ (25,651)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	87,419					87,419
Other comprehensive loss, net of tax	(1,355)						(1,355)
Stock compensation	4,231				4,231
Allocation of ESOP stock	1,056	914			142
Cash dividend	(30,425)					(30,425)
Exercise of stock options	1,833			2	3,360	(1,529)
Repurchased shares of common stock	(30,628)							(30,628)
Preferred stock dividend	(3,012)					(3,012)
Ending Balance at Sep. 30, 2021	1,513,249	(6,519)	1	611	1,145,448	430,721	(734)	(56,279)	0
Beginning Balance at Jun. 30, 2021	1,508,789	(6,824)	1	611	1,143,907	417,658	26	(46,590)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	24,167					24,167
Other comprehensive loss, net of tax	(760)						(760)
Stock compensation	1,505				1,505
Allocation of ESOP stock	336	305			31
Cash dividend	(10,100)					(10,100)
Exercise of stock options	5			0	5
Repurchased shares of common stock	(9,689)							(9,689)
Preferred stock dividend	(1,004)					(1,004)
Ending Balance at Sep. 30, 2021	1,513,249	(6,519)	1	611	1,145,448	430,721	(734)	(56,279)	0
Beginning Balance at Dec. 31, 2021	1,516,553	(8,615)	1	611	1,146,781	442,306	(2,821)	(61,710)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	94,046					93,331			715
Other comprehensive loss, net of tax	(35,675)						(35,675)
Stock compensation	5,019				5,019
Allocation of ESOP stock	1,848	1,818			30
Cash dividend	(31,767)					(31,767)
Exercise of stock options	346			1	1,242	(897)
Repurchased shares of common stock	(7,396)							(7,396)
Preferred stock dividend	(3,012)					(3,012)
Acquisition of Trident Abstract Title Agency, LLC (“Trident”)	836								836
Distributions to non-controlling interest	(582)					6			(588)
Ending Balance at Sep. 30, 2022	1,540,216	(6,797)	1	612	1,153,072	499,967	(38,496)	(69,106)	963
Beginning Balance at Jun. 30, 2022	1,521,432	(7,403)	1	612	1,151,363	474,114	(29,093)	(69,106)	944
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	38,804					38,611			193
Other comprehensive loss, net of tax	(9,403)						(9,403)
Stock compensation	1,619				1,619
Allocation of ESOP stock	601	606			(5)
Cash dividend	(11,752)					(11,752)
Exercise of stock options	95				95	0
Preferred stock dividend	(1,004)					(1,004)
Distributions to non-controlling interest	(176)					(2)			(174)
Ending Balance at Sep. 30, 2022	$ 1,540,216	$ (6,797)	$ 1	$ 612	$ 1,153,072	$ 499,967	$ (38,496)	$ (69,106)	$ 963