Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Basic earnings per share:
Income attributable to Hilltop	$ 33,260	$ 99,060	$ 55,510	$ 219,404
Weighted average shares outstanding - basic	73,693	81,663	76,389	81,914
Basic earnings per common share (in dollars per share)	$ 0.45	$ 1.21	$ 0.73	$ 2.68
Diluted earnings per share:
Income attributable to Hilltop	$ 33,260	$ 99,060	$ 55,510	$ 219,404
Weighted average shares outstanding - basic	73,693	81,663	76,389	81,914
Effect of potentially dilutive securities (in shares)	145	536	180	493
Weighted average shares outstanding - diluted	73,838	82,199	76,569	82,407
Diluted earnings per common share (in dollars per share)	$ 0.45	$ 1.21	$ 0.73	$ 2.66