OTHER REAL ESTATE OWNED (OREO) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Roll Forward of OREO, net of the valuation allowance
Balance, at the beginning of the period	$ 56,414	$ 81,918	$ 81,414
Foreclosures	15,416	40,207	68,683
Payments to third parties	39	889	1,629
Provision for losses	(2,515)	(14,333)	(16,994)
Reductions related to sales	(31,289)	(53,828)	(52,814)
Balance, at the end of the period	51,837	56,414	81,918
OREO Valuation Allowance Activity:
Balance, at the beginning of the period	16,681	20,575	17,813
Provision for losses	2,515	14,333	16,994
Selling costs		876	2,527
Due from the SBA			108
Reductions related to sales	(7,882)	(19,103)	(16,867)
Balance, at the end of the period	11,314	16,681	20,575
APB
Roll Forward of OREO, net of the valuation allowance
Addition		1,561
FCAL
Roll Forward of OREO, net of the valuation allowance
Addition	13,772
Commercial real estate
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	15,753	13,319
Construction and land development
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	35,063	38,596
Multi-family
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	835	4,239
Single family residence
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	186	260
Non-Covered OREO
Roll Forward of OREO, net of the valuation allowance
Balance, at the beginning of the period	33,572	48,412	25,598
Foreclosures	7,891	4,223	34,743
Payments to third parties	39	889	1,619
Provision for losses	(818)	(3,820)	(5,026)
Reductions related to sales	(7,975)	(17,693)	(8,522)
Balance, at the end of the period	42,801	33,572	48,412
OREO Valuation Allowance Activity:
Balance, at the beginning of the period	5,418	9,534	13,831
Provision for losses	818	3,820	5,026
Due from the SBA			108
Reductions related to sales	(766)	(7,936)	(9,431)
Balance, at the end of the period	5,470	5,418	9,534
Non-Covered OREO | APB
Roll Forward of OREO, net of the valuation allowance
Addition		1,561
Non-Covered OREO | FCAL
Roll Forward of OREO, net of the valuation allowance
Addition	10,092
Non-Covered OREO | Commercial real estate
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	10,672	1,684
Non-Covered OREO | Construction and land development
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	31,950	31,888
Non-Covered OREO | Single family residence
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	179
Covered OREO
Roll Forward of OREO, net of the valuation allowance
Balance, at the beginning of the period	22,842	33,506	55,816
Foreclosures	7,525	35,984	33,940
Payments to third parties			10
Provision for losses	(1,697)	(10,513)	(11,968)
Reductions related to sales	(23,314)	(36,135)	(44,292)
Balance, at the end of the period	9,036	22,842	33,506
OREO Valuation Allowance Activity:
Balance, at the beginning of the period	11,263	11,041	3,982
Provision for losses	1,697	10,513	11,968
Selling costs		876	2,527
Reductions related to sales	(7,116)	(11,167)	(7,436)
Balance, at the end of the period	5,844	11,263	11,041
Covered OREO | FCAL
Roll Forward of OREO, net of the valuation allowance
Addition	3,680
Covered OREO | Commercial real estate
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	5,081	11,635
Covered OREO | Construction and land development
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	3,113	6,708
Covered OREO | Multi-family
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	835	4,239
Covered OREO | Single family residence
Roll Forward of OREO, net of the valuation allowance
Balance, at the end of the period	$ 7	$ 260