LEASES - Direct Financing Leases (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Leases [Abstract]
Interest income on lease receivable	$ 2,048	$ 5,826
Interest income on deferred fees and costs	63	326
Total direct financing lease income	2,111	6,152
Leasing receivables
Lease receivables	194,124	194,124
Unearned income	(24,427)	(24,427)
Deferred fees and costs	1,303	1,303
Net investment in direct financing leases	$ 171,000	$ 171,000