LOANS (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Loans receivable: balance at end of period
Total loans	$ 4,728,663	$ 4,680,600
Business Activity
Loans receivable: balance at end of period
Individually evaluated for impairment	26,080	26,448
Collectively evaluated	3,987,589	3,892,432
Total loans	4,013,669	3,918,880
Acquired Loans
Loans receivable: balance at end of period
Individually evaluated for impairment	7,990	6,570
Collectively evaluated	707,004	755,150
Total loans	714,994	761,720
Residential \| Mortgages
Loans receivable: balance at end of period
Total loans	1,473,239	1,496,204
Residential \| Mortgages \| Business Activity
Loans receivable: balance at end of period
Individually evaluated for impairment	3,028	3,238
Collectively evaluated	1,212,786	1,223,214
Total loans	1,215,814	1,226,452
Residential \| Mortgages \| Acquired Loans
Loans receivable: balance at end of period
Individually evaluated for impairment	1,194	695
Collectively evaluated	256,231	269,057
Total loans	257,425	269,752
Commercial real estate
Loans receivable: balance at end of period
Total loans	1,672,099	1,611,567
Commercial real estate \| Business Activity
Loans receivable: balance at end of period
Individually evaluated for impairment	22,342	22,015
Collectively evaluated	1,389,648	1,318,061
Total loans	1,411,990	1,340,076
Commercial real estate \| Acquired Loans
Loans receivable: balance at end of period
Individually evaluated for impairment	6,203	5,637
Collectively evaluated	253,906	265,854
Total loans	260,109	271,491
Commercial real estate \| Business loans
Loans receivable: balance at end of period
Total loans	826,815	804,366
Commercial real estate \| Business loans \| Business Activity
Loans receivable: balance at end of period
Individually evaluated for impairment	262	743
Collectively evaluated	778,409	752,448
Total loans	778,671	753,191
Commercial real estate \| Business loans \| Acquired Loans
Loans receivable: balance at end of period
Individually evaluated for impairment	47	39
Collectively evaluated	48,097	51,136
Total loans	48,144	51,175
Consumer
Loans receivable: balance at end of period
Total loans	756,510	768,463
Consumer \| Business Activity
Loans receivable: balance at end of period
Individually evaluated for impairment	448	452
Collectively evaluated	606,746	598,709
Total loans	607,194	599,161
Consumer \| Acquired Loans
Loans receivable: balance at end of period
Individually evaluated for impairment	546	199
Collectively evaluated	148,770	169,103
Total loans	149,316	169,302
Commercial
Loans receivable: balance at end of period
Total loans	2,498,914	2,415,933
Commercial \| Business Activity
Loans receivable: balance at end of period
Total loans	2,190,661	2,093,267
Commercial \| Acquired Loans
Loans receivable: balance at end of period
Total loans	$ 308,253	$ 322,666

The balance of financing receivables that were collectively evaluated for impairment.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (h)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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