CONSOLIDATED STATEMENT OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
INTEREST AND DIVIDEND INCOME:
Loans, including fees	$ 14,666	$ 15,300	$ 29,323	$ 30,169
Investment securities:
Taxable	1,023	967	2,033	1,901
Tax-exempt	169	179	314	353
Dividend and other interest income	186	395	535	852
TOTAL INTEREST AND DIVIDEND INCOME	16,044	16,841	32,205	33,275
INTEREST EXPENSE:
Deposits	2,802	2,871	5,837	5,171
Short-term borrowings	7	178	29	783
Long-term borrowings	985	879	1,928	1,730
TOTAL INTEREST EXPENSE	3,794	3,928	7,794	7,684
NET INTEREST INCOME	12,250	12,913	24,411	25,591
PROVISION FOR LOAN LOSSES	645	315	1,395	675
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	11,605	12,598	23,016	24,916
NON-INTEREST INCOME:
Net debt securities gains (losses), available for sale	186	(2)	207	11
Net equity securities gains	10	22	30	65
Net securities gains (losses), trading	0	3	(14)	13
Bank-owned life insurance	144	123	336	291
Gain on sale of loans	1,028	347	1,472	663
Other	353	520	808	895
TOTAL NON-INTEREST INCOME	2,621	2,469	5,058	4,723
NON-INTEREST EXPENSE:
Salaries and employee benefits	5,230	5,523	10,897	11,024
Occupancy	626	668	1,328	1,447
Furniture and equipment	828	784	1,688	1,536
Software amortization	236	188	486	395
Pennsylvania shares tax	323	285	608	578
Professional fees	658	727	1,280	1,249
Federal Deposit Insurance Corporation deposit insurance	185	236	379	504
Marketing	56	33	109	135
Intangible amortization	59	69	121	140
Other	1,410	1,546	2,825	2,865
TOTAL NON-INTEREST EXPENSE	9,611	10,059	19,721	19,873
INCOME BEFORE INCOME TAX PROVISION	4,615	5,008	8,353	9,766
INCOME TAX PROVISION	851	759	1,512	1,571
CONSOLIDATED NET INCOME	3,764	4,249	6,841	8,195
Less: Net income attributable to noncontrolling interest	4	4	8	6
NET INCOME ATTRIBUTABLE TO PENNS WOODS BANCORP, INC.	$ 3,760	$ 4,245	$ 6,833	$ 8,189
Earnings per share - basic (in dollars per share)	$ 0.53	$ 0.60	$ 0.97	$ 1.16
Earnings per share - diluted (in dollars per share)	$ 0.53	$ 0.60	$ 0.97	$ 1.16
Weighted average shares outstanding - basic (in shares)	7,041,629	7,038,503	7,041,185	7,038,068
Weighted average shares outstanding - diluted (in shares)	7,041,629	7,038,503	7,041,185	7,038,068
Dividends declared per share (in dollars per share)	$ 0.32	$ 0.31	$ 0.64	$ 0.63
Service charges
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	$ 312	$ 592	$ 861	$ 1,154
Insurance commissions
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	92	119	219	253
Brokerage commissions
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	186	356	555	679
Debit card fees
NON-INTEREST INCOME:
Service charges, insurance commissions, brokerage commissions, and debit card fees	$ 310	$ 389	$ 584	$ 699