GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in the carrying amount of goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2019
Goodwill [Roll Forward]
Balance at beginning of period			$ 24,811
Impairment			(1,572)
Reclass of goodwill held for sale			(3,553)
Balance at end of period			19,686
Wealth Management
Goodwill [Roll Forward]
Balance at beginning of period			15,994
Balance at end of period			15,994
Capital Management
Goodwill [Roll Forward]
Balance at beginning of period			8,817
Impairment		$ 1,600	(1,572)
Reclass of goodwill held for sale	$ 3,600		(3,553)
Balance at end of period			$ 3,692