CREDIT LOSSES - Schedule of Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Jan. 01, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Adoption of ASU 2016-13, cumulative-effect adjustment to retained earnings		$ 2,811
Trade Receivables
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance, January 1, 2020	$ 2,100
Adoption of ASU 2016-13, cumulative-effect adjustment to retained earnings	2,408	2,100
Provision for expected credit losses	(643)
Ending Balance, March 31, 2020	2,408
Other Receivables
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance, January 1, 2020	711
Adoption of ASU 2016-13, cumulative-effect adjustment to retained earnings	4,614	711
Provision for expected credit losses	1,242
Ending Balance, March 31, 2020	4,614
Other Assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance, January 1, 2020	0
Adoption of ASU 2016-13, cumulative-effect adjustment to retained earnings	830	0
Provision for expected credit losses	35
Ending Balance, March 31, 2020	830
Impact of ASC 326 Adoption
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Adoption of ASU 2016-13, cumulative-effect adjustment to retained earnings		4,407
Impact of ASC 326 Adoption | Trade Receivables
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance, January 1, 2020	951
Adoption of ASU 2016-13, cumulative-effect adjustment to retained earnings	951	951
Impact of ASC 326 Adoption | Other Receivables
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance, January 1, 2020	2,661
Adoption of ASU 2016-13, cumulative-effect adjustment to retained earnings	2,661	2,661
Impact of ASC 326 Adoption | Other Assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance, January 1, 2020	795
Adoption of ASU 2016-13, cumulative-effect adjustment to retained earnings	$ 795	$ 795