REGULATORY MATTERS, COMMITMENTS AND CONTINGENCIES (Tables)

3 Months Ended

Mar. 31, 2015

Commitments And Contingencies Disclosure [Abstract]

Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Text Block]

	The Corporation's and its banking subsidiary's regulatory capital positions as of March 31, 2015 and December 31, 2014 were as follows:
		Regulatory Requirements
		Actual			For Capital Adequacy Purposes			To be Well-Capitalized-Regular Thresholds
		Amount		Ratio	Amount		Ratio	Amount		Ratio
		(Dollars in thousands)
As of March 31, 2015 (Basel III)
Total Capital (to
Risk-Weighted Assets)
First BanCorp.		$	1,828,253	19.20%	$	761,694	8%		N/A	N/A
FirstBank		$	1,798,122	18.89%	$	761,410	8%	$	951,763	10%
Common Equity Tier 1 Capital
(to Risk-Weighted Assets)
First BanCorp.		$	1,537,862	16.15%	$	428,453	4.5%		N/A	N/A
FirstBank		$	1,486,508	15.62%	$	428,293	4.5%	$	618,646	6.5%
Tier I Capital (to
Risk-Weighted Assets)
First BanCorp.		$	1,537,862	16.15%	$	571,271	6%		N/A	N/A
FirstBank		$	1,676,525	17.61%	$	571,058	6%	$	761,410	8%
Leverage ratio
First BanCorp.		$	1,537,862	12.16%	$	505,698	4%		N/A	N/A
FirstBank		$	1,676,525	13.28%	$	505,036	4%	$	631,295	5%
As of December 31, 2014 (Basel I)
Total Capital (to
Risk-Weighted Assets)
First BanCorp.		$	1,748,120	19.70%	$	709,723	8%		N/A	N/A
FirstBank		$	1,717,432	19.37%	$	709,395	8%	$	886,744	10%
Tier I Capital (to
Risk-Weighted Assets)
First BanCorp.		$	1,636,004	18.44%	$	354,861	4%		N/A	N/A
FirstBank		$	1,605,367	18.10%	$	354,698	4%	$	532,046	6%
Leverage ratio
First BanCorp.		$	1,636,004	13.27%	$	493,159	4%		N/A	N/A
FirstBank		$	1,605,367	13.04%	$	492,468	4%	$	615,585	5%