INVESTMENT SECURITIES HELD-TO-MATURITY AND AVAILABLE-FOR-SALE (2) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Available-for-sale Securities, Amortized Cost, Fiscal Year Maturity [Abstract]
Due after one year through three years	$ 29,750
Due after three years through five years	70
Total	29,820
Available-for-sale Securities, Estimated Fair Value, Fiscal Year Maturity [Abstract]
Due after one year through three years, fair value	29,874
Due after three years through five years, fair value	71
Total	29,945
Continuous Unrealized Loss Position [Abstract]
Twelve Months or Longer, Consecutive Unrealized Losses, Fair Value	0
Fair Value, Total	114,885
Less than 12 Months, Consecutive Gross Unrealized Losses	90
12 Months or Longer, Consecutive Gross Unrealized Losses,	0
Gross Unrealized Losses, Total	90
Number of actively-managed equity mutual funds	2		5
Proceeds from sale of investment securities available-for-sale	22,415		226		2,519
Gain (Loss) on Sale of Debt Investments	941		22		609
Federal Agencies Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost/Historical Cost	29,820		170,362
Gross Unrealized Gains	125		37
Gross Unrealized (Losses)	0		(90)
Estimated Fair Value	29,945		170,309
Continuous Unrealized Loss Position [Abstract]
Less than Twelve Months, Consecutive Unrealized Losses, Fair Value	114,885
Total Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost/Historical Cost	29,820		170,362
Gross Unrealized Gains	125		37
Gross Unrealized (Losses)	0		(90)
Estimated Fair Value	29,945		170,309
Continuous Unrealized Loss Position [Abstract]
Less than Twelve Months, Consecutive Unrealized Losses, Fair Value	114,885
Twelve Months or Longer, Consecutive Unrealized Losses, Fair Value	0
Fair Value, Total	114,885
Less than 12 Months, Consecutive Gross Unrealized Losses	90
12 Months or Longer, Consecutive Gross Unrealized Losses,	0
Gross Unrealized Losses, Total	90
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost/Historical Cost	2,556	[1]	3,624	[2]
Gross Unrealized Gains	449		935
Gross Unrealized (Losses)	0		0
Estimated Fair Value	3,005		4,559
Debt and Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost/Historical Cost	32,376		173,986
Gross Unrealized Gains	574		972
Gross Unrealized (Losses)	0		(90)
Estimated Fair Value	$ 32,950		$ 174,868

[1] (1) The amortized/ historical cost amount is net of OTTI charges totaling $348 at December 31, 2012 on two actively-managed equity mutual funds.

[2] (1) Amount is net of OTTI charges totaling $1,425 at December 31, 2011 on five actively-managed equity mutual funds.