FAIR VALUE, Reconciliation For Major Asset And Liability (Details) (USD $) In Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 2,453		$ 15,350		$ 9,027		$ 15,671
Changes in unrealized losses included in earnings relating to assets and liabilities still held at end of period	0		888		464		8,107
Total gains or (losses) [Abstract]
Included in earnings	0	[1]	(864)	[1]	(6,124)		(7,589)
Included in accumulated other comprehensive loss (unrealized)	(90)	[1],[2]	508	[1],[2]	8,756		7,047
Purchases, issuances, sales, settlements			(7)	[3]			(142)
Purchases	0				0
Issuances	0				0
Sales	0				(9,357)
Settlements	(8)				53
Transfer from investment grade to non-investment grade	0		0		0		0
Transfers in and/or out of Level 3	0	[4]	0	[4]	0		0
Ending balance	2,355		14,987		2,355		14,987
Other Residential Mortgage-Backed Securities [Member] | Non-investment grade [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0		12,506		6,254		12,738
Changes in unrealized losses included in earnings relating to assets and liabilities still held at end of period	0		0		0		0
Total gains or (losses) [Abstract]
Included in earnings	0	[1]	0	[1]	(5,660)		436
Included in accumulated other comprehensive loss (unrealized)	0	[1],[2]	328	[1],[2]	8,763		90
Purchases, issuances, sales, settlements			0	[3]			(430)
Purchases	0				0
Issuances	0				0
Sales	0				(9,357)
Settlements	0				0
Transfer from investment grade to non-investment grade	0		0		0		0
Transfers in and/or out of Level 3	0	[4]	0	[4]	0		0
Ending balance	0		12,834		0		12,834
Corporate Debt Securities [Member] | Non-investment grade [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	2,453		2,844
Changes in unrealized losses included in earnings relating to assets and liabilities still held at end of period	0		888
Total gains or (losses) [Abstract]
Included in earnings	0	[1]	(864)	[1]
Included in accumulated other comprehensive loss (unrealized)	(90)	[1],[2]	180	[1],[2]
Purchases, issuances, sales, settlements			(7)	[3]
Purchases	0
Issuances	0
Sales	0
Settlements	(8)
Transfer from investment grade to non-investment grade	0		0
Transfers in and/or out of Level 3	0	[4]	0	[4]
Ending balance	2,355		2,153		2,355		2,153
Corporate Debt Securities [Member] | Investment grade [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0		0		0		978
Changes in unrealized losses included in earnings relating to assets and liabilities still held at end of period	0		0		0		0
Total gains or (losses) [Abstract]
Included in earnings	0	[1]	0	[1]	0		5
Included in accumulated other comprehensive loss (unrealized)	0	[1],[2]	0	[1],[2]	0		308
Purchases, issuances, sales, settlements			0	[3]			(9)
Purchases	0				0
Issuances	0				0
Sales	0				0
Settlements	0				0
Transfer from investment grade to non-investment grade	0		0		0		(1,282)
Transfers in and/or out of Level 3	0	[4]	0	[4]	0		0
Ending balance	0		0		0		0
Non-investment grade [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance					2,773		1,955
Changes in unrealized losses included in earnings relating to assets and liabilities still held at end of period					464		8,107
Total gains or (losses) [Abstract]
Included in earnings					(464)		(8,030)
Included in accumulated other comprehensive loss (unrealized)					(7)		6,649
Purchases, issuances, sales, settlements							297
Purchases					0
Issuances					0
Sales					0
Settlements					53
Transfer from investment grade to non-investment grade					0		1,282
Transfers in and/or out of Level 3					0		0
Ending balance	2,355		2,153		2,355		2,153
Derivative Payable [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Changes in unrealized losses included in earnings relating to assets and liabilities still held at end of period	(278)		459		(480)		625
Beginning balance	(3,247)		(1,888)		(3,449)		(14,185)
Total gains or (losses) [Abstract]
Included in earnings	278		(459)		480	[1]	(625)	[1]
Included in accumulated other comprehensive loss (unrealized)	0		0		0	[1],[2]	0	[1],[2]
Purchases, issuances, sales, settlements			(254)				12,209	[3]
Purchases	0				0
Issuances	0				0
Sales	0				0
Settlements	0				0
Transfer from investment grade to non-investment grade	0		0		0		0
Transfers in and/or out of Level 3	0		0		0	[4]	0	[4]
Ending balance	$ (2,969)		$ (2,601)		$ (2,969)		$ (2,601)

[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 condensed consolidated statements of income.

[2] Unrealized gains or losses on investment securities are reported in accumulated other comprehensive loss, net of tax, in the condensed consolidated statements of changes in stockholders' 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.

[4] Transfers in and/or out represent existing assets and liabilities that were either previously categorized as a higher level and the inputs to the model became unobservable or assets and liabilities that were previously classified as Level 3 and the lowest significant input became observable during the period. These assets and liabilities are recorded at their end of period fair values.