COMMITMENTS AND CONTINGENCIES. (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum lease payments - Capital and Operating Leases

Future minimum lease payments required by non-cancelable leases in effect at December 31, 2018 were as follows (in thousands):

Years Ended December 31,	Capital Leases			Operating Leases
2019	$	45		$	10,207
2020		45			8,423
2021		33			5,441
2022		—			5,233
2023		—			4,511
Thereafter		—			8,413
Total minimum payments		123		$	42,228
Obligations due within one year		(45	)
Long-term obligations under capital leases	$	78