Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130533-203044

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84173487&loc=SL51747714-108306

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130549-203045

Name:	us-gaap_ContractWithCustomerAssetNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

REVENUE (Details) - USD ($) $ in Thousands	3 Months Ended
REVENUE (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017	Jan. 01, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 181,035	$ 132,515
Contract asset	2,100		$ 1,900
Mortgage products
Disaggregation of Revenue [Line Items]
Revenue	73,462	62,938
Credit Cards
Disaggregation of Revenue [Line Items]
Revenue	46,132	33,773
Personal Loans
Disaggregation of Revenue [Line Items]
Revenue	25,965	17,014
Other Products And Services
Disaggregation of Revenue [Line Items]
Revenue	35,476	18,790
Non-mortgage products
Disaggregation of Revenue [Line Items]
Revenue	$ 107,573	$ 69,577