FAIR VALUE (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Reconciliation of the beginning and ending balances for major asset categories measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Beginning balance	$ 2,235		$ 9,027
Total gains or (losses)
Included in earnings	(99)	[1]	(6,293)	[1]
Included in other comprehensive unrealized gain (loss)	2,711	[1],[2]	8,567	[1],[2]
Sales			(9,357)	[3]
Settlements	(47)	[3]	291	[3]
Ending balance	4,800		2,235
Total gains or (losses)
Changes in unrealized losses (gains) included in earnings relating to assets still held at end of period	99		633
Derivative Payable
Reconciliation of the beginning and ending balances for major liability categories measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Beginning balance	(2,634)		(3,449)
Total gains or (losses)
Included in earnings	(418)	[1]	815	[1]
Ending balance	(3,052)		(2,634)
Changes in unrealized losses (gains) included in earnings relating to assets still held at end of period	418		(815)
Other Residential Mortgage-Backed Securities | Non-investment grade
Reconciliation of the beginning and ending balances for major asset categories measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Beginning balance			6,254
Total gains or (losses)
Included in earnings			(5,660)	[1]
Included in other comprehensive unrealized gain (loss)			8,763	[1],[2]
Sales			(9,357)	[3]
Corporate debt securities | Non-investment grade
Reconciliation of the beginning and ending balances for major asset categories measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Beginning balance	2,235		2,773
Total gains or (losses)
Included in earnings	(99)	[1]	(633)	[1]
Included in other comprehensive unrealized gain (loss)	2,711	[1],[2]	(196)	[1],[2]
Settlements	(47)	[3]	291	[3]
Ending balance	4,800		2,235
Total gains or (losses)
Changes in unrealized losses (gains) included in earnings relating to assets still held at end of period	$ 99		$ 633

[1] Total gains or losses represent the total realized and unrealized gains and losses recorded for Level 3 assets and liabilities. Realized gains or losses are reported in the consolidated statements of income.

[2] Unrealized gains or losses on investment securities are reported in accumulated other comprehensive loss, net of tax in the consolidated statements of changes in stockholder's equity and comprehensive income.

[3] Purchases, issuances, sales and settlements represent Level 3 assets and liabilities that were either purchased, issued, sold, or settled during the period. The amounts are recorded at their end of period fair values.