INCOME TAXES - Additional Information (Detail) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Income Tax Contingency [Line Items]
Percentage of national gross tax receipt				1.00%
National gross receipt expense	$ 1,500,000
Percentage of gross receipt tax credit				0.50%
Gross income credit amount	700,000
Valuation allowance	198,600,000
Percentage of dividend received deduction from controlled subsidiaries	100.00%
Percentage of dividend received from other taxable domestic corporations	85.00%
Income tax expense	8,032,000	887,000
Deferred Tax Assets Net	310,900,000
Accrued interest related to tax uncertainties expense	1,300,000
Minimum percentage of bank net taxable income for paying Income tax at normal rate	20.00%
Valuation Allowance Deferred Tax Asset Change In Amount			302,900,000
Statutory Sales And Use Tax Rate	7.00%
Value Added Tax Rate	16.00%
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions			(1,800,000)
Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities			2,500,000
Effective Tax Rate Pretax Losses	22.00%
Effective Tax Rate Including All Entities	24.00%
Deferred Tax Assets Liabilities Net			$ 313,000,000
Puerto Rico [Member]
Income Tax Contingency [Line Items]
Statute of limitations under income tax act	4 years 0 months 0 days
United States [Member]
Income Tax Contingency [Line Items]
Statute of limitations under income tax act	3 years 0 months 0 days
Virgin Islands [Member]
Income Tax Contingency [Line Items]
Statute of limitations under income tax act	3 years 0 months 0 days