15. COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum lease payments - Capital and Operating Leases

Years Ended December 31,	Capital Leases			Operating Leases
2017	$	930		$	14,011
2018		588			11,822
2019		–			8,929
2020		–			4,942
2021		–			1,991
Thereafter		–			2,812
Total minimum payments		1,518		$	44,507
Amount representing interest		(177	)
Obligations under capital leases		1,341
Obligations due within one year		(794	)
Long-term obligations under capital leases	$	547