ACCOUNTS RECEIVABLE (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
ACCOUNTS RECEIVABLE
Accounts receivable, Gross	$ 20,070	$ 14,075
Less: allowance for doubtful accounts	(797)	(574)
Accounts receivable, net	19,273	13,501
Accounts receivable, other
ACCOUNTS RECEIVABLE
Accounts receivable, Gross	10,888	8,033
Credit card receivables
ACCOUNTS RECEIVABLE
Accounts receivable, Gross	$ 9,182	$ 6,042