LEASES (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($)		Sep. 30, 2019 USD ($)
Operating Leases [Abstract]
Term of option to terminate			1 year
Components of Lease Expense [Abstract]
Operating lease cost	$ 2,231		$ 6,493
Variable lease cost	9		9
Short-term lease cost	77	[1]	180	[1]
Total lease cost	2,317		6,682
Cash paid for amounts included in the measurement of lease liabilities [Abstract]
Operating cash outflows for operating leases			5,987
Right-of-use assets obtained in exchange for lease obligations [Abstract]
Operating leases			13,766
Operating leases [Abstract]
Operating lease right-of-use assets	41,948		41,948
Operating lease liabilities	$ 42,769		$ 42,769
Weighted average remaining lease term [Abstract]
Operating leases	6 years 8 months 12 days		6 years 8 months 12 days
Weighted average discount rate [Abstract]
Operating leases	2.95%		2.95%
Maturities of Lease Liabilities [Abstract]
Oct - Dec 2019	$ 2,253		$ 2,253
2020	9,372		9,372
2021	7,934		7,934
2022	6,645		6,645
2023	5,674		5,674
Thereafter	15,697		15,697
Total lease payments	47,575		47,575
Less imputed interest	(4,806)		(4,806)
Total	$ 42,769		$ 42,769
Minimum [Member]
Operating Leases [Abstract]
Remaining term of lease			1 year
Term of option to extend	1 year		1 year
Maximum [Member]
Operating Leases [Abstract]
Remaining term of lease			15 years
Term of option to extend	40 years		40 years
706 North Clinton, LLC [Member]
Operating leases [Abstract]
Operating lease right-of-use assets	$ 5,000		$ 5,000
Operating lease liabilities	$ 5,039		$ 5,039
Weighted average remaining lease term [Abstract]
Operating leases	10 years 2 months 12 days		10 years 2 months 12 days
Weighted average discount rate [Abstract]
Operating leases	3.67%		3.67%
Maturities of Lease Liabilities [Abstract]
Oct - Dec 2019	$ 148		$ 148
2020	591		591
2021	591		591
2022	591		591
2023	591		591
Thereafter	3,538		3,538
Total lease payments	6,050		6,050
Less imputed interest	(1,011)		(1,011)
Total	$ 5,039		$ 5,039
Membership interest	50.00%		50.00%

[1] Short-term lease cost includes the cost of leases with terms of twelve months or less, excluding leases with terms of one month or less.