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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Narrative Disclosures) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases transferred to third parties total principal amount | $ 128,200,000 | $ 29,100,000 |
Total loans and leases transferred to third parties that qualify for sale accounting | 128,200,000 | 29,100,000 |
Gain on sale of SBA loans | 3,999,000 | 318,000 | $ 0
Loan participations purchased on the Corporation's balance sheet | 467,000 | 482,000 |
Total amount of outstanding loans transferred to third parties as loan participations | 169,200,000 | 116,600,000 |
Total amount of loan participations remaining on the Corporation's balance sheet | 136,800,000 | 96,400,000 |
Loans in the participation sold portfolio, considered impaired | 1,800,000 | 1,200,000 |
Residential Real Estate Loans Sold, Principal Amount | 32,600,000 | 4,900,000 |
Loans to executive officers, directors and their related interests | 6,900,000 | 4,400,000 |
New loans granted to executive officers, directors and their related interests | 3,900,000 | 1,800,000 |
Repayments on loans to executive officers, directors and their related interests | 1,400,000 | 392,000 |
Loans and leases receivable, related parties, impaired | 0 |  |
Total gross loans and leases receivable | 1,434,729,000 | 1,281,792,000 | 981,972,000
Non-accrual troubled debt restructurings | 16,200,000 | 7,400,000 |
Unfunded commitments, troubled debt restructurings | 0 |  |
Loans and leases receivable, difference between recorded investment and unpaid principal balance | 3,900,000 | 4,400,000 | 4,000,000
Performing troubled debt restructurings | 1,735,000 | 2,003,000 | 371,000
Impairments of residual value of leased property | 0 | 0 | $ 0
Substandard |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total gross loans and leases receivable | 26,800,000 | 27,100,000 |
Special Mention |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total gross loans and leases receivable |  | 0 |
Doubtful |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total gross loans and leases receivable | 0 | 0 |
Loss |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total gross loans and leases receivable | $ 0 | $ 0 |

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- Definition The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of other loans and leases that were sold during the reporting period; excludes gains (losses) on sales of consumer and mortgage loans. This element refers to the gain (loss) and not to the cash proceeds of the sales. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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