No definition available.

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
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- Definition

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

+ References

+ Details

Name:	us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for 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 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section L
-Subsection 1

+ Details

Name:	us-gaap_LoansAndLeasesReceivableAllowance
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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 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

Reference 2: 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=49124121&loc=d3e5074-111524

+ Details

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Period Type:	instant

- Details

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- Details

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- Details

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Allowance for Loan Losses and Credit Quality of Loans, Allowance for Loan Losses and Recorded Investment in Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
Allowance loan losses [Abstract]
Allowance for loan losses	$ 64,568	$ 64,318	$ 63,018	$ 64,959	$ 65,359	$ 66,359
Allowance for loans individually evaluated for impairment	3,215		2,005
Allowance for loans collectively evaluated for impairment	61,353		61,013
Ending balance of loans	6,039,393		5,883,133
Commercial Loans [Member]
Allowance loan losses [Abstract]
Allowance for loan losses	25,222	25,299	25,545	28,326	31,278	32,433
Allowance for loans individually evaluated for impairment	3,215		2,005
Allowance for loans collectively evaluated for impairment	22,007		23,540
Ending balance of loans	2,673,691		2,589,707
Consumer Loans [Member]
Allowance loan losses [Abstract]
Allowance for loan losses	31,471	31,035	29,253	28,314	26,156	26,720
Allowance for loans individually evaluated for impairment	0		0
Allowance for loans collectively evaluated for impairment	31,471		29,253
Ending balance of loans	2,146,314		2,096,646
Residential Real Estate Mortgages [Member]
Allowance loan losses [Abstract]
Allowance for loan losses	7,875	7,984	7,960	8,281	7,698	7,130
Allowance for loans individually evaluated for impairment	0		0
Allowance for loans collectively evaluated for impairment	7,875		7,960
Ending balance of loans	1,219,388		1,196,780
Unallocated [Member]
Allowance loan losses [Abstract]
Allowance for loan losses	0	$ 0	260	$ 38	$ 227	$ 76
Allowance for loans individually evaluated for impairment	0		0
Allowance for loans collectively evaluated for impairment	0		260
Originated Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans	5,477,319		5,271,619
Ending balance of loans individually evaluated for impairment	34,398		25,963
Ending balance of loans collectively evaluated for impairment	5,442,921		5,245,656
Originated Loans [Member] \| Commercial Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans	2,403,672		2,303,978
Ending balance of loans individually evaluated for impairment	20,034		12,253
Ending balance of loans collectively evaluated for impairment	2,383,638		2,291,725
Originated Loans [Member] \| Consumer Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans	2,068,927		2,001,219
Ending balance of loans individually evaluated for impairment	8,190		7,693
Ending balance of loans collectively evaluated for impairment	2,060,737		1,993,526
Originated Loans [Member] \| Residential Real Estate Mortgages [Member]
Allowance loan losses [Abstract]
Ending balance of loans	1,004,720		966,422
Ending balance of loans individually evaluated for impairment	6,174		6,017
Ending balance of loans collectively evaluated for impairment	998,546		960,405
Acquired Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans	562,074		611,514
Ending balance of loans individually evaluated for impairment	1,205		1,205
Ending balance of loans collectively evaluated for impairment	560,869		610,309
Acquired Loans [Member] \| Commercial Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans	270,019		285,729
Ending balance of loans individually evaluated for impairment	1,205		1,205
Ending balance of loans collectively evaluated for impairment	268,814		284,524
Acquired Loans [Member] \| Consumer Loans [Member]
Allowance loan losses [Abstract]
Ending balance of loans	77,387		95,427
Ending balance of loans individually evaluated for impairment	0		0
Ending balance of loans collectively evaluated for impairment	77,387		95,427
Acquired Loans [Member] \| Residential Real Estate Mortgages [Member]
Allowance loan losses [Abstract]
Ending balance of loans	214,668		230,358
Ending balance of loans individually evaluated for impairment	0		0
Ending balance of loans collectively evaluated for impairment	$ 214,668		$ 230,358