GOODWILL AND INTANGIBLE ASSETS (Goodwill) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 143,786,000
Foreign currency translation	(65,000)
Goodwill, ending balance	143,721,000
Goodwill impairment	0	$ 0
Credit
Goodwill [Roll Forward]
Goodwill, beginning balance	32,196,000
Foreign currency translation	0
Goodwill, ending balance	32,196,000
Private Equity
Goodwill [Roll Forward]
Goodwill, beginning balance	58,600,000
Foreign currency translation	0
Goodwill, ending balance	58,600,000
Real Estate
Goodwill [Roll Forward]
Goodwill, beginning balance	52,990,000
Foreign currency translation	(65,000)
Goodwill, ending balance	$ 52,925,000