LONG-TERM DEBT (Debt Maturities) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Partnership
Debt Instrument [Line Items]
2020	$ 133
2021	138
2022	143
2023	17,795
2024	6,000
Thereafter	72,800
Long-term debt, gross	97,009	$ 94,537
Funds
Debt Instrument [Line Items]
2020	25,000
2021	0
2022	0
2023	17,980
2024	14,400
Thereafter	0
Long-term debt, gross	$ 57,380	$ 57,380

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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