CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Hilltop	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Deferred Compensation Employee Stock Trust, Net	Employee Stock Trust	Noncontrolling Interest	Total
Balance at Dec. 31, 2023	$ 2,122,967	$ 652	$ 1,054,662	$ (121,505)	$ 1,189,222	$ 228	$ (292)	$ 27,362	$ 2,150,329
Balance (in shares) at Dec. 31, 2023		65,153					10
Increase (Decrease) in Stockholders' Equity
Net income	27,668				27,668			1,854	29,522
Other comprehensive income	1,899			1,899					1,899
Stock-based compensation expense	2,940		2,940						2,940
Common stock issued to board members	121		121						121
Common stock issued to board members (in shares)		4
Issuance of common stock related to share-based awards, net	(2,751)	$ 4	(2,755)						(2,751)
Issuance of common stock related to share-based awards, net (in shares)		430
Repurchases of common stock	(9,941)	$ (3)	(5,137)		(4,801)				(9,941)
Repurchases of common stock (in shares)		(320)
Dividends on common stock	(11,076)				(11,076)				(11,076)
Deferred compensation plan	37					(113)	$ 150		37
Deferred compensation plan (in shares)							(5)
Net cash distributed to noncontrolling interest								(1,650)	(1,650)
Balance at Mar. 31, 2024	2,131,864	$ 653	1,049,831	(119,606)	1,201,013	$ 115	$ (142)	27,566	2,159,430
Balance (in shares) at Mar. 31, 2024		65,267					5
Balance at Dec. 31, 2024	2,189,965	$ 650	1,052,219	(111,497)	1,248,593			28,347	2,218,312
Balance (in shares) at Dec. 31, 2024		64,968
Increase (Decrease) in Stockholders' Equity
Net income	42,116				42,116			2,416	44,532
Other comprehensive income	10,843			10,843					10,843
Stock-based compensation expense	3,610		3,610						3,610
Common stock issued to board members	121		121						121
Common stock issued to board members (in shares)		4
Issuance of common stock related to share-based awards, net	(2,013)	$ 2	(2,015)						(2,013)
Issuance of common stock related to share-based awards, net (in shares)		229
Repurchases of common stock	(33,281)	$ (10)	(16,797)		(16,474)				(33,281)
Repurchases of common stock (in shares)		(1,047)
Dividends on common stock	(11,649)				(11,649)				(11,649)
Net cash distributed to noncontrolling interest								(1,653)	(1,653)
Balance at Mar. 31, 2025	$ 2,199,712	$ 642	$ 1,037,138	$ (100,654)	$ 1,262,586			$ 29,110	$ 2,228,822
Balance (in shares) at Mar. 31, 2025		64,154