CONSOLIDATED STATEMENT OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
INTEREST AND DIVIDEND INCOME:
Loans, including fees	$ 14,657	$ 14,869
Investment securities:
Taxable	1,010	934
Tax-exempt	145	174
Dividend and other interest income	349	457
TOTAL INTEREST AND DIVIDEND INCOME	16,161	16,434
INTEREST EXPENSE:
Deposits	3,035	2,300
Short-term borrowings	22	605
Long-term borrowings	943	851
TOTAL INTEREST EXPENSE	4,000	3,756
NET INTEREST INCOME	12,161	12,678
PROVISION FOR LOAN LOSSES	750	360
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	11,411	12,318
NON-INTEREST INCOME:
Net debt securities gains, available for sale	21	13
Net equity securities gains	20	43
Net securities (losses) gains, trading	(14)	10
Bank-owned life insurance	192	168
Gain on sale of loans	444	316
Other	455	375
TOTAL NON-INTEREST INCOME	2,437	2,254
NON-INTEREST EXPENSE:
Salaries and employee benefits	5,667	5,501
Occupancy	702	779
Furniture and equipment	860	752
Software amortization	250	207
Pennsylvania shares tax	285	293
Professional fees	622	522
Federal Deposit Insurance Corporation deposit insurance	194	268
Marketing	53	102
Intangible amortization	62	71
Other	1,415	1,319
TOTAL NON-INTEREST EXPENSE	10,110	9,814
INCOME BEFORE INCOME TAX PROVISION	3,738	4,758
INCOME TAX PROVISION	661	812
CONSOLIDATED NET INCOME	3,077	3,946
Less: Net income attributable to noncontrolling interest	4	2
NET INCOME ATTRIBUTABLE TO PENNS WOODS BANCORP, INC.	$ 3,073	$ 3,944
Earnings per share - basic (in dollars per share)	$ 0.44	$ 0.56
Earnings per share - diluted (in dollars per share)	$ 0.43	$ 0.56
Weighted average shares outstanding - basic (in shares)	7,040,740	7,037,628
Weighted average shares outstanding - diluted (in shares)	7,102,990	7,037,628
Dividends declared per share (in dollars per share)	$ 0.32	$ 0.31
Service charges
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	$ 549	$ 562
Insurance Commissions
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	127	134
Brokerage Commissions
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	369	323
Debit Card
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	$ 274	$ 310