Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Basic earnings per share:
Participating securities	0	0
Income from continuing operations	$ 46,485	$ 33,426
Income from discontinued operations	3,151	5,360
Income attributable to Hilltop	$ 49,636	$ 38,786
Weighted average shares outstanding - basic	90,509	93,669
Income from continuing operations (in dollars per share)	$ 0.51	$ 0.36
Income from discontinued operations (in dollars per share)	0.04	0.05
Basic earnings per common share (in dollars per share)	$ 0.55	$ 0.41
Diluted earnings per share:
Income from continuing operations	$ 46,485	$ 33,426
Income from discontinued operations	3,151	5,360
Income attributable to Hilltop	$ 49,636	$ 38,786
Weighted average shares outstanding - basic	90,509	93,669
Effect of potentially dilutive securities (in shares)	41
Weighted average shares outstanding - diluted	90,550	93,669
Income from continuing operations (in dollars per share)	$ 0.51	$ 0.36
Income from discontinued operations (in dollars per share)	0.04	0.05
Diluted earnings per common share (in dollars per share)	$ 0.55	$ 0.41