XML 45 R31.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Summary of significant accounting policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Summary of significant accounting policies |
Schedule of estimated useful life of related assets | ​
​ | ​ | ​ | ​
Premises and leasehold improvements |  | 7 – 40 years | ​
Furniture, fixtures and equipment |  | 3 – 10 years | ​
Schedule of earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2021 | ​ | 2020 | ​ | 2019 |
For the Year Ended December 31, | ​ | Basic | ​ | Diluted | ​ | Basic | ​ | Diluted | ​ | Basic | ​ | Diluted |
Net income |  | $ | 43,519 |  | $ | 43,519 |  | $ | 29,354 | ​ | $ | 29,354 |  | $ | 25,736 |  | $ | 25,736 | ​
Average common shares outstanding | ​ |  | 7,196,160 | ​ |  | 7,235,303 | ​ |  | 7,304,956 | ​ |  | 7,337,843 | ​ |  | 7,395,429 | ​ |  | 7,412,369 | ​
Earnings per share | ​ | $ | 6.05 | ​ | $ | 6.02 | ​ | $ | 4.02 | ​ | $ | 4.00 | ​ | $ | 3.48 | ​ | $ | 3.47 | ​

X
- Definition Tabular disclosure of the useful life of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References No definition available. + Details
Name: | pfis_ScheduleOfPropertyPlantAndEquipmentUsefulLifeTableTextBlock
Namespace Prefix: | pfis_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration