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SUBSEQUENT EVENTS	9 Months Ended
SUBSEQUENT EVENTS	Sep. 30, 2018
Subsequent Event [Line Items]
SUBSEQUENT EVENTS	SUBSEQUENT EVENTS Dividend Declared In October 2018, Westwood’s Board of Directors declared a quarterly cash dividend of $0.72 per common share, an increase of 6% from the previous quarterly dividend rate, payable on January 2, 2019, to stockholders of record on December 7, 2018.