FAIR VALUE MEASUREMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Rollforward of assets
Balance at the beginning of the period	$ 42,868	$ 5,314
Amortization	(395)
Accretion	101
Purchases	14,691	36,256
Paydowns	(14,200)	(636)
Sales and calls	(41,389)	(19)
Transfers in and out of Level 3		1,182
Total gains or losses (realized/unrealized) included in earnings		(798)
Total gains or losses (realized/unrealized) included in other comprehensive income	63	1,569
Balance at the end of the period	1,739	42,868
PreTSLs
Rollforward of assets
Balance at the beginning of the period	3,801	3,069
Paydowns	(172)	(106)
Sales and calls	(3,629)	(19)
Total gains or losses (realized/unrealized) included in earnings		(798)
Total gains or losses (realized/unrealized) included in other comprehensive income		1,655
Balance at the end of the period		3,801
State and Political Subdivisions
Rollforward of assets
Balance at the beginning of the period	2,811	2,245
Paydowns	(550)	(530)
Sales and calls	(585)
Transfers in and out of Level 3		1,182
Total gains or losses (realized/unrealized) included in other comprehensive income	63	(86)
Balance at the end of the period	1,739	2,811
Private Label CMOs
Rollforward of assets
Balance at the beginning of the period	36,256
Amortization	(395)
Accretion	101
Purchases	14,691	36,256
Paydowns	(13,478)
Sales and calls	(37,175)
Balance at the end of the period		$ 36,256