COMMITMENTS AND CONTINGENCIES (Details)	Dec. 31, 2016 USD ($)
Payment due by period, Contractual obligations, Operating leases, Less than 1 year	$ 1,185,000
Payment due by period, Contractual obligations, Operating leases, 1-3 years	2,281,000
Payment due by period, Contractual obligations, Operating leases, 3-5 years	2,286,000
Payment due by period, Contractual obligations, Operating leases, More than 5 years	12,268,000
Payment due by period, Contractual obligations, Operating leases, Total	18,020,000
Contractual obligations [Member]
Payment due by period, Contractual obligations, Operating leases, Less than 1 year	1,185,000
Payment due by period, Contractual obligations, Operating leases, 1-3 years	2,281,000
Payment due by period, Contractual obligations, Operating leases, 3-5 years	2,286,000
Payment due by period, Contractual obligations, Operating leases, More than 5 years	12,268,000
Payment due by period, Contractual obligations, Operating leases, Total	$ 18,020,000