This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents impaired loans as presented on the statement of financial position which may include mortgage loans, finance receivables, or any other impaired loans which are due to the Company as of the balance sheet date.

No definition available.

Name:	pbhc_ImpairedLoansFairValueDisclosure
Namespace Prefix:	pbhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Fair Value Measurements - Summary of Fair Value Assets Measured on Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Nonrecurring basis [Abstract]
Foreclosed real estate	$ 27	$ 16	$ 40	$ 22
Nonrecurring Basis [Member] \| Total Fair Value [Member]
Nonrecurring basis [Abstract]
Impaired loans	1,056		1,056		$ 4,182
Foreclosed real estate			221
Nonrecurring Basis [Member] \| Level 3 [Member]
Nonrecurring basis [Abstract]
Impaired loans	$ 1,056		1,056		$ 4,182
Foreclosed real estate			$ 221