SECURITIES - Schedule of Unrealized Loss and Fair Value on Investments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair Value
Less than 12 months	$ 257,100	$ 301,140
12 months or longer	205,705	226,642
Total	462,805	527,782
Unrealized Losses
Less than 12 months	(2,285)	(3,672)
12 months or longer	(4,229)	(6,354)
Total	(6,514)	(10,026)
U.S. Treasury securities and obligations of U.S. Governement Sponsored Entities [Member]
Fair Value
Less than 12 months		100
12 months or longer		0
Total		100
Unrealized Losses
Less than 12 months		0
12 months or longer		0
Total		0
Mortgage-backed Securities, US Government Sponsored Enterprises [Member]
Fair Value
Less than 12 months	50,484	36,890
12 months or longer	9,963	21,640
Total	60,447	58,530
Unrealized Losses
Less than 12 months	(131)	(153)
12 months or longer	(129)	(271)
Total	(260)	(424)
Collateralized Mortgage Obligations Of US Government Sponsored Entities [Member]
Fair Value
Less than 12 months	40,219	100,148
12 months or longer	156,937	170,400
Total	197,156	270,548
Unrealized Losses
Less than 12 months	(206)	(833)
12 months or longer	(3,441)	(5,523)
Total	(3,647)	(6,356)
Private mortage backed securities [Member]
Fair Value
Less than 12 months	14,336
12 months or longer	0
Total	14,336
Unrealized Losses
Less than 12 months	(221)
12 months or longer	0
Total	(221)
Private collaterlized mortgage obligations [Member]
Fair Value
Less than 12 months	47,173	61,554
12 months or longer	14,311	10,091
Total	61,484	71,645
Unrealized Losses
Less than 12 months	(856)	(914)
12 months or longer	(235)	(157)
Total	(1,091)	(1,071)
Collateralized Loan Obligations [Member]
Fair Value
Less than 12 months	103,128	100,714
12 months or longer	24,494	24,511
Total	127,622	125,225
Unrealized Losses
Less than 12 months	(868)	(1,769)
12 months or longer	(424)	(403)
Total	(1,292)	(2,172)
Obligations of state and political subdivisions [Member]
Fair Value
Less than 12 months	1,760	1,734
12 months or longer	0	0
Total	1,760	1,734
Unrealized Losses
Less than 12 months	(3)	(3)
12 months or longer	0	0
Total	$ (3)	$ (3)

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 7

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This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

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