DEPOSITS (Maturities and Weighted Average Interest Rates of Certificates of Deposit) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Maturities of Time Deposits [Abstract]
Maturing in one year or less	$ 564,501us-gaap_TimeDepositMaturitiesYearOne	$ 660,394us-gaap_TimeDepositMaturitiesYearOne
Maturing after one year through two years	117,724us-gaap_TimeDepositMaturitiesYearTwo	117,789us-gaap_TimeDepositMaturitiesYearTwo
Maturing after two years through three years	46,378us-gaap_TimeDepositMaturitiesYearThree	47,362us-gaap_TimeDepositMaturitiesYearThree
Maturing after three years through four years	20,016us-gaap_TimeDepositMaturitiesYearFour	26,443us-gaap_TimeDepositMaturitiesYearFour
Maturing after four years through five years	17,338us-gaap_TimeDepositMaturitiesYearFive	17,075us-gaap_TimeDepositMaturitiesYearFive
Maturing after five years	4,559	3,632
Total certificates of deposit	$ 770,516	$ 872,695
Weighted Average Rate [Abstract]
Maturing in one year or less	0.46%	0.47%
Maturing after one year through two years	0.89%	1.05%
Maturing after two years through three years	1.19%	1.34%
Maturing after three years through four years	1.42%	1.56%
Maturing after four years through five years	1.22%	1.34%
Maturing after five years	2.09%	1.78%
Total certificates of deposits	1.06%	0.65%

Amount of interest-bearing domestic certificate of deposit liabilities.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

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Amount of time deposits maturing after the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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Amount of time deposits maturing in the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the fourth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the next fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the third fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the second fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Weighted average interest rate for time deposits held by the entity with maturities greater than five years.

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Weighted average interest rate for time deposits held by the entity with maturities greater than four years, but five years or less.

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Weighted average interest rate for time deposits held by the entity with maturities greater than three years, but four years or less.

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Weighted average interest rate for time deposits held by the entity with maturities of one year or less.

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Weighted average interest rate for time deposits held by the entity with maturities greater than two years, but three years or less.

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Weighted average interest rate for time deposits held by the entity with maturities greater than one year, but two years or less.

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The weighted average interest rate for domestic time deposit liabilities.

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