CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Hilltop.	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit).	Deferred Compensation Employee Stock Trust, Net	Employee Stock Trust	Noncontrolling Interest	Total
Balance at Dec. 31, 2015	$ 1,736,954	$ 989	$ 1,577,270	$ 2,629	$ 155,475	$ 1,034	$ (443)	$ 1,171	$ 1,738,125
Balance (in shares) at Dec. 31, 2015		98,896,000					22,000
Increase (Decrease) in Stockholders' Equity
Net income	110,573				110,573			1,833	112,406
Other comprehensive income	5,410			5,410					5,410
Issuance of common stock	4,139	$ 5	4,134						4,139
Issuance of common stock (in shares)		538,000
Stock-based compensation expense	7,274		7,274						7,274
Common stock issued to board members	325		325						325
Common stock issued to board members (in shares)		17,000
Issuance of common stock related to share-based awards, net	(2,711)	$ (1)	(2,710)						(2,711)
Issuance of common stock related to share-based awards, net (in shares)		(94,000)
Repurchase of common stock	(16,276)	$ (8)	(16,268)						(16,276)
Repurchase of common stock (in shares)		(816,000)
Deferred compensation plan						(134)	$ 134
Deferred compensation plan (in shares)							(7,000)
Net cash distributed from noncontrolling interest								676	676
Balance at Sep. 30, 2016	1,845,688	$ 985	1,570,025	8,039	266,048	900	$ (309)	3,680	1,849,368
Balance (in shares) at Sep. 30, 2016		98,541,000					15,000
Balance at Dec. 31, 2016	1,870,509	$ 985	1,572,877	485	295,568	903	$ (309)	4,011	1,874,520
Balance (in shares) at Dec. 31, 2016		98,544,000					15,000
Increase (Decrease) in Stockholders' Equity
Net income	119,116				119,116			353	119,469
Other comprehensive income	2,100			2,100					2,100
Stock-based compensation expense	8,396		8,396						8,396
Common stock issued to board members	327		327						327
Common stock issued to board members (in shares)		12,000
Issuance of common stock related to share-based awards, net	(2,430)	$ 3	(2,433)						(2,430)
Issuance of common stock related to share-based awards, net (in shares)		264,000
Repurchase of common stock	(74,454)	$ (29)	(53,998)		(20,427)				$ (74,454)
Repurchase of common stock (in shares)		(2,916,000)							(1,057,656)
Dividends on common stock	(17,384)				(17,384)				$ (17,384)
Deferred compensation plan	5					(63)	$ 68		5
Deferred compensation plan (in shares)							(3,000)
Net cash distributed to noncontrolling interest								(1,193)	(1,193)
Balance at Sep. 30, 2017	$ 1,906,185	$ 959	$ 1,525,169	$ 2,585	$ 376,873	$ 840	$ (241)	$ 3,171	$ 1,909,356
Balance (in shares) at Sep. 30, 2017		95,904,000					12,000