Rendering

Component: (Network and Table)
Network
100560 - Disclosure - Loans and Allowance for Loan Losses (Details 3)
(http://www.cortland-banks.com/20161231/taxonomy/role/DisclosureLoansAndAllowanceForLoanLossesDetails3)
TableSchedule Of Financing Receivable Allowance For Credit Losses [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000774569 (http://www.sec.gov/CIK)
Financing Receivable Allowance For Credit Losses [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Financing Receivable Portfolio SegmentFinancing Receivable Portfolio SegmentFinancing Receivable Portfolio Segment
CommercialCommercial real estateResidential real estateConsumerFinancing Receivable Portfolio SegmentCommercialCommercial real estateResidential real estateConsumerFinancing Receivable Portfolio SegmentCommercialCommercial real estateResidential real estateConsumerFinancing Receivable Portfolio Segment
Class of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, Type
Class of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeHome equityOtherClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeHome equityOtherClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeClass of Financing Receivable, TypeHome equityOtherClass of Financing Receivable, Type
Analysis of changes in the allowance for loan losses
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at beginning of period
1,977,000  
2,926,000  
153,000  
52,000  
86,000  
5,194,000  
2,064,000  
2,754,000  
229,000  
60,000  
95,000  
5,202,000  
593,000  
2,638,000  
356,000  
88,000  
89,000  
3,764,000  
Loan charge-offs
 
(287,000) 
(35,000) 
(144,000) 
(148,000) 
(614,000) 
(470,000) 
(84,000) 
(45,000) 
 
(124,000) 
(723,000) 
(123,000) 
(186,000) 
(93,000) 
(48,000) 
(144,000) 
(594,000) 
Recoveries
117,000  
35,000  
2,000  
23,000  
61,000  
238,000  
134,000  
10,000  
37,000  
17,000  
62,000  
260,000  
274,000  
3,000  
16,000  
24,000  
77,000  
394,000  
Net loan recoveries (charge-offs)
117,000  
 
(252,000) 
 
(33,000) 
 
(121,000) 
 
(87,000) 
 
(376,000) 
 
(336,000) 
 
(74,000) 
 
(8,000) 
 
17,000  
 
(62,000) 
 
(463,000) 
 
151,000  
 
(183,000) 
 
(77,000) 
 
(24,000) 
 
(67,000) 
 
(200,000) 
 
Provision charged to operations
(700,000) 
398,000  
43,000  
219,000  
90,000  
50,000  
249,000  
246,000  
(68,000) 
(25,000) 
53,000  
455,000  
1,320,000  
299,000  
(50,000) 
(4,000) 
73,000  
1,638,000  
Balance at end of period
1,394,000  
 
3,072,000  
 
163,000  
 
150,000  
 
89,000  
 
4,868,000  
 
1,977,000  
 
2,926,000  
 
153,000  
 
52,000  
 
86,000  
 
5,194,000  
 
2,064,000  
 
2,754,000  
 
229,000  
 
60,000  
 
95,000  
 
5,202,000