INCOME TAXES - Liability for Income Taxes Associated with Uncertain Tax Positions (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Gross liability for uncertain tax positions at beginning of year	$ 12,596	$ 10,531	$ 11,267
Gross increases - unrecognized tax benefits in prior periods	0	30	55
Gross increases - current period unrecognized tax benefits	1,682	2,756	3,279
Gross decreases - unrecognized tax benefits in prior periods	0	(463)	0
Gross decreases - audit settlement during year	(3,027)	(77)	(2,515)
Gross decreases - expiration of audit statute of limitations	(694)	(181)	(1,555)
Gross liability for uncertain tax positions at end of year	$ 10,557	$ 12,596	$ 10,531