CONSOLIDATED STATEMENT OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
INTEREST AND DIVIDEND INCOME:
Loans, including fees	$ 14,080	$ 15,426	$ 43,403	$ 45,595
Investment securities:
Taxable	925	998	2,958	2,899
Tax-exempt	170	167	484	520
Dividend and other interest income	212	493	747	1,345
TOTAL INTEREST AND DIVIDEND INCOME	15,387	17,084	47,592	50,359
INTEREST EXPENSE:
Deposits	2,569	3,165	8,406	8,336
Short-term borrowings	8	7	37	790
Long-term borrowings	965	1,009	2,893	2,739
TOTAL INTEREST EXPENSE	3,542	4,181	11,336	11,865
NET INTEREST INCOME	11,845	12,903	36,256	38,494
PROVISION FOR LOAN LOSSES	645	360	2,040	1,035
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	11,200	12,543	34,216	37,459
NON-INTEREST INCOME:
Net debt securities gains, available for sale	1,013	189	1,220	200
Net equity securities (losses) gains	0	(21)	30	44
Net securities (losses) gains, trading	(2)	2	(16)	15
Bank-owned life insurance	156	143	492	434
Gain on sale of loans	1,449	583	2,921	1,246
Other	354	525	1,162	1,420
TOTAL NON-INTEREST INCOME	4,035	2,822	9,093	7,545
NON-INTEREST EXPENSE:
Salaries and employee benefits	5,465	5,488	16,362	16,512
Occupancy	599	638	1,927	2,085
Furniture and equipment	837	885	2,525	2,421
Software amortization	257	234	743	629
Pennsylvania shares tax	340	285	948	863
Professional fees	608	585	1,888	1,834
Federal Deposit Insurance Corporation deposit insurance	271	0	650	504
Marketing	61	98	170	233
Intangible amortization	53	62	174	202
Other	1,216	1,266	4,041	4,131
TOTAL NON-INTEREST EXPENSE	9,707	9,541	29,428	29,414
INCOME BEFORE INCOME TAX PROVISION	5,528	5,824	13,881	15,590
INCOME TAX PROVISION	1,051	1,170	2,563	2,741
CONSOLIDATED NET INCOME	4,477	4,654	11,318	12,849
Less: Net income attributable to noncontrolling interest	5	4	13	10
NET INCOME ATTRIBUTABLE TO PENNS WOODS BANCORP, INC.	$ 4,472	$ 4,650	$ 11,305	$ 12,839
Earnings per share - basic (in dollars per share)	$ 0.63	$ 0.66	$ 1.61	$ 1.82
Earnings per share - diluted (in dollars per share)	$ 0.63	$ 0.66	$ 1.61	$ 1.82
Weighted average shares outstanding - basic (in shares)	7,045,336	7,037,055	7,042,578	7,036,181
Weighted average shares outstanding - diluted (in shares)	7,045,336	7,037,055	7,042,578	7,036,181
Dividends declared per share (in dollars per share)	$ 0.32	$ 0.31	$ 0.96	$ 0.94
Service charges
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	$ 388	$ 622	$ 1,249	$ 1,776
Insurance commissions
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	101	93	320	346
Brokerage commissions
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	224	353	779	1,032
Debit card income
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	$ 352	$ 333	$ 936	$ 1,032