Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic earnings per share:
Income attributable to Hilltop	$ 32,068	$ 92,906	$ 87,578	$ 312,310
Weighted average shares outstanding - basic	64,552	80,109	72,400	81,306
Basic earnings per common share (in dollars per share)	$ 0.50	$ 1.16	$ 1.21	$ 3.84
Diluted earnings per share:
Income attributable to Hilltop	$ 32,068	$ 92,906	$ 87,578	$ 312,310
Weighted average shares outstanding - basic	64,552	80,109	72,400	81,306
Effect of potentially dilutive securities (in shares)	117	433	157	457
Weighted average shares outstanding - diluted	64,669	80,542	72,557	81,763
Diluted earnings per common share (in dollars per share)	$ 0.50	$ 1.15	$ 1.21	$ 3.82