GOODWILL AND INTANGIBLE ASSETS (Details - Balance Sheet) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Sep. 19, 2017	Jun. 20, 2017	Jun. 14, 2017	Nov. 16, 2016	May 31, 2016	Dec. 31, 2015
Goodwill [Line Items]
Impairment losses during period related to goodwill	$ 0
Balance of goodwill and intangible assets, net
Goodwill	596,456,000	$ 539,545,000						$ 486,720,000
Accumulated impairment losses	(483,088,000)	(483,088,000)						(483,088,000)
Net goodwill	113,368,000	56,457,000						$ 3,632,000
Intangible assets with indefinite lives	10,142,000	10,142,000
Intangible assets with definite lives, net	70,983,000	61,542,000
Total intangible assets, net	81,125,000	71,684,000
CompareCards [Member]
Goodwill [Line Items]
Increase to goodwill due to acquisitions		52,450,000
Impairment losses during period related to goodwill		0
Balance of goodwill and intangible assets, net
Net goodwill	52,450,000					$ 52,500,000
SimpleTuition [Domain]
Goodwill [Line Items]
Increase to goodwill due to acquisitions		375,000
Impairment losses during period related to goodwill		$ 0
Balance of goodwill and intangible assets, net
Net goodwill							$ 375,000
DepositAccounts [Member]
Goodwill [Line Items]
Increase to goodwill due to acquisitions	19,389,000
Impairment losses during period related to goodwill	0
Balance of goodwill and intangible assets, net
Net goodwill	19,389,000				$ 19,400,000
MagnifyMoney [Member]
Goodwill [Line Items]
Increase to goodwill due to acquisitions	23,784,000
Impairment losses during period related to goodwill	0
Balance of goodwill and intangible assets, net
Net goodwill	23,784,000			$ 23,800,000
SnapCap [Member]
Goodwill [Line Items]
Increase to goodwill due to acquisitions	13,738,000
Impairment losses during period related to goodwill	0
Balance of goodwill and intangible assets, net
Net goodwill	$ 13,738,000		$ 13,700,000