CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue from Contract with Customer, Including Assessed Tax	$ 400,000
Other Revenue, Net	(339,000)	$ 346,000	$ 799,000
Total revenues	73,054,000	65,111,000	84,079,000
Employee compensation and benefits	42,532,000	42,141,000	50,152,000
Amortization of intangible assets	1,624,000	1,721,000	1,726,000
Unrealized Gain (Loss) on Investments	(1,797,000)	(711,000)	3,296,000
Net interest and dividend revenue	868,000	604,000	1,318,000
Other Income	602,000	135,000	144,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax		(4,169,000)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	14,003,000	(7,588,000)	9,402,000
Provision for income taxes	4,240,000	1,359,000	3,491,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	9,763,000	(8,947,000)	5,911,000
Goodwill impairment loss	$ 3,403,000	$ 3,403,000	$ 0
Basic (in dollars per share)	$ 1.24	$ (1.12)	$ 0.70
Diluted (in dollars per share)	$ 1.23	$ (1.12)	$ 0.70
Sales and marketing	$ 1,280,000	$ 1,194,000	$ 2,068,000
Westwood mutual funds	2,657,000	1,681,000	3,097,000
Information technology	8,161,000	8,111,000	8,426,000
Professional services	4,391,000	4,271,000	4,322,000
General and administrative	8,074,000	8,941,000	9,516,000
Operating Expenses	67,095,000	68,558,000	79,435,000
Operating Income (Loss)	5,959,000	(3,447,000)	4,644,000
Realized Investment Gains (Losses)	8,371,000
Expenses:
Employee compensation and benefits	42,532,000	42,141,000	50,152,000
Sales and marketing	1,280,000	1,194,000	2,068,000
Westwood mutual funds	2,657,000	1,681,000	3,097,000
Information technology	8,161,000	8,111,000	8,426,000
Professional services	4,391,000	4,271,000	4,322,000
General and administrative	8,074,000	8,941,000	9,516,000
Foreign Currency Transaction Gain (Loss), before Tax	0	(1,184,000)	(1,854,000)
Operating Income (Loss)	5,959,000	(3,447,000)	4,644,000
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal			3,296,000
Income (loss) before income taxes	14,003,000	(7,588,000)	9,402,000
Provision for income taxes	4,240,000	1,359,000	3,491,000
Net income (loss)	9,763,000	(8,947,000)	5,911,000
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	0	(1,226,000)	1,940,000
Other comprehensive income (loss)		(1,226,000)	1,940,000
Total comprehensive income (loss)	$ 9,763,000	$ (6,004,000)	$ 7,851,000
Earnings (loss) per share:
Basic (in dollars per share)	$ 1.24	$ (1.12)	$ 0.70
Diluted (in dollars per share)	$ 1.23	$ (1.12)	$ 0.70
Weighted average shares outstanding:
Basic (in shares)	7,875,395	7,987,554	8,408,017
Diluted (in shares)	7,927,972	7,987,554	8,463,239
Unrealized Gain (Loss) on Investments	$ (1,797,000)	$ (711,000)	$ 3,296,000
Investment Income, Investment Expense	868,000	604,000	1,318,000
Other Income	602,000	135,000	144,000
Goodwill impairment loss	3,403,000	3,403,000	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax		(4,169,000)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	0	4,169,000	0
General and Administrative Expense [Member]
Amortization of intangible assets	1,600,000	1,700,000
Asset Management [Member]
Revenue from Contract with Customer, Including Assessed Tax	45,927,000	38,028,000	57,033,000
Investment Performance [Member]
Revenue from Contract with Customer, Including Assessed Tax	3,335,000	2,808,000	764,000
Fiduciary and Trust [Member]
Revenue from Contract with Customer, Including Assessed Tax	24,030,000	23,563,000	25,483,000
Trust performance-based fees [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 101,000	$ 366,000	$ 0