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GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill, intangible assets and related accumulated amortization (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Goodwill [Line Items]        
Goodwill     $ 19,686 $ 24,811
Impairment     (1,572)  
Other intangibles     4,540 9,327
Reclass of goodwill held for sale     (3,553)  
Less accumulated amortization on other intangibles     (4,512) (8,925)
Other intangible assets, net     28 402
Amortization of intangible assets     374 831
Finite-Lived Intangible Assets:        
2020     9  
Thereafter     19  
Other intangible assets, net     28 402
Capital Management        
Goodwill [Line Items]        
Goodwill     3,692 $ 8,817
Impairment   $ 1,600 (1,572)  
Reclass of goodwill held for sale $ 3,600   (3,553)  
Amount of retired intangible assets     $ 4,800