CONSOLIDATED STATEMENTs OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Westwood Holdings Group, Inc. Common Stock, Par	Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)
BALANCE at Dec. 31, 2019	$ 148,287	$ 103	$ 203,441	$ (63,281)	$ (2,943)	$ 10,967
BALANCE, shares at Dec. 31, 2019		8,881,086
Net loss	(8,947)					(8,947)
Other comprehensive income	(1,226)				(1,226)
Foreign currency translation adjustments	(1,226)
Issuance of restricted stock, net of forfeitures		$ 2	(2)
Issuance of restricted stock, net of forfeitures, shares		193,968
Stock-based compensation expense	6,701		6,701
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Share-based Liabilities Paid	212		212
Dividends declared ($2.07 in 2015, $1.82 per share in 2014, $1.64 per share in 2013)	(3,715)					(3,715)
Purchases of treasury stock	(12,952)			(12,952)
Purchases of treasury stock, shares		(679,756)
Issuance of treasury stock under employee stock plans, shares		2,169
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures			(84)	83
Restricted stock returned for payment of taxes	(1,120)			(1,120)
Restricted stock returned for payment of taxes, shares		(43,045)
BALANCE at Dec. 31, 2020	130,711	$ 105	210,268	(77,967)	0	(1,695)
BALANCE, shares at Dec. 31, 2020		8,326,948
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	4,169
Treasury Stock, Shares, Acquired, Employee Stock Plan		(27,474)
Treasury Stock, Acquired, Employee Stock Plan	(697)			(697)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	4,169				4,169
Net loss	9,763					9,763
Foreign currency translation adjustments	0
Issuance of restricted stock, net of forfeitures		$ 2	(2)
Issuance of restricted stock, net of forfeitures, shares		158,098
Stock-based compensation expense	5,835		5,835
Distributed Earnings	(20,823)		(20,823)
Dividends declared ($2.07 in 2015, $1.82 per share in 2014, $1.64 per share in 2013)	(3,706)					(3,706)
Purchases of treasury stock	(2,990)			(2,990)
Purchases of treasury stock, shares		(182,549)
Issuance of treasury stock under employee stock plans, shares		2,353
Issuance of treasury stock under employee stock plans			(91)	91
Restricted stock returned for payment of taxes	(884)			(884)
Restricted stock returned for payment of taxes, shares		(51,359)
BALANCE at Dec. 31, 2021	$ 117,906	$ 107	195,187	(81,750)	0	4,362
BALANCE, shares at Dec. 31, 2021	8,904,902	8,253,491
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	$ 0
Accumulated Other Comprehensive Income (Loss), Tax	(46)
Net loss	(4,628)
Foreign currency translation adjustments	0
Issuance of restricted stock, net of forfeitures		$ 8	(8)
Issuance of restricted stock, net of forfeitures, shares		868,900
Stock-based compensation expense	6,001		6,001
Distributed Earnings	(1,166)		(1,166)
Dividends declared ($2.07 in 2015, $1.82 per share in 2014, $1.64 per share in 2013)	(3,987)					(3,987)
Purchases of treasury stock	(2,851)			(2,851)
Purchases of treasury stock, shares		(205,521)
Issuance of treasury stock under employee stock plans, shares		2,564
Issuance of treasury stock under employee stock plans	0		(100)	100
Restricted stock returned for payment of taxes	(627)			(627)
Restricted stock returned for payment of taxes, shares		(37,603)
BALANCE at Dec. 31, 2022	$ 110,648	$ 115	$ 199,914	$ (85,128)	$ 0	$ (4,253)
BALANCE, shares at Dec. 31, 2022		8,881,831
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	$ 0
Accumulated Other Comprehensive Income (Loss), Tax	$ 43