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Troubled Debt Restructurings by Accrual Status (Detail) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Financing Receivable, Modifications [Line Items] |  |
Recorded investment in loans | $ 293,152 | $ 294,478
Residential |  |
Financing Receivable, Modifications [Line Items] |  |
Recorded investment in loans | 106,703 | 107,508
Commercial Real Estate |  |
Financing Receivable, Modifications [Line Items] |  |
Recorded investment in loans | 77,898 | 76,666
Commercial Business |  |
Financing Receivable, Modifications [Line Items] |  |
Recorded investment in loans | 21,244 | 22,003
Home Equity and Second Mortgage |  |
Financing Receivable, Modifications [Line Items] |  |
Recorded investment in loans | 34,955 | 35,269
Troubled Debt Restructuring |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 1,821 | 1,662
Nonaccrual | 2,248 | 1,935
Recorded investment in loans | 4,069 | 3,597
Related Allowance for Loan Losses | 1,259 | 1,304
Troubled Debt Restructuring | Residential |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 504 | 508
Nonaccrual | 174 | 226
Recorded investment in loans | 678 | 734
Related Allowance for Loan Losses | 0 | 45
Troubled Debt Restructuring | Commercial Real Estate |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 1,294 | 1,130
Nonaccrual | 364 | 0
Recorded investment in loans | 1,658 | 1,130
Related Allowance for Loan Losses | 0 | 0
Troubled Debt Restructuring | Commercial Business |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 0 | 0
Nonaccrual | 1,710 | 1,709
Recorded investment in loans | 1,710 | 1,709
Related Allowance for Loan Losses | 1,259 | 1,259
Troubled Debt Restructuring | Home Equity and Second Mortgage |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 23 | 24
Nonaccrual | 0 | 0
Recorded investment in loans | 23 | 24
Related Allowance for Loan Losses | $ 0 | $ 0

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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 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. 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 + Details
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- Definition Reflects the carrying amount of loans deemed to be questionable as to collection on which interest is continuing to be earned or accrued. + References No definition available. + Details
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- Definition Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5111-111524 + Details
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