Consolidated Statements of Income - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Interest income      
Interest and fees on loans $ 28,223 $ 26,672 $ 26,629
Interest and dividends on securities:      
U.S. government agencies 3,557 4,036 3,494
State and political subdivisions, tax-free 46 109 1,883
State and political subdivisions, taxable 2,574 905 324
Other securities 315 433 272
Total interest and dividends on securities 6,492 5,483 5,973
Interest on interest-bearing deposits in other banks 33 46 71
Total interest income 34,748 32,201 32,673
Interest expense      
Interest on deposits 2,730 2,631 3,180
Interest on borrowed funds:      
Interest on Federal Home Loan Bank of Pittsburgh advances 595 514 450
Interest on subordinated debentures 625 1,450 2,281
Interest on junior subordinated debentures 247 206 236
Total interest on borrowed funds 1,467 2,170 2,967
Total interest expense 4,197 4,801 6,147
Net interest income before provision (credit) for loan and lease losses 30,551 27,400 26,526
Provision (credit) for loan and lease losses 1,153 (1,345) (5,869)
Net interest income after provision (credit) for loan and lease losses 29,398 28,745 32,395
Non-interest income      
Deposit service charges 2,892 2,960 2,975
Net gain on the sale of securities 960 2,296 6,640
Net gain on the sale of mortgage loans held for sale 340 292 292
Net gain on the sale of SBA guaranteed loans 51
Net loss on the sale of education loans (13)
Net gain on the sale of other real estate owned 49 162 209
Gain on branch divestitures 607
Loan-related fees 439 442 440
Income from bank-owned life insurance 552 564 650
Legal settlements 184 2,127
Other 920 900 993
Total non-interest income 6,203 7,800 14,920
Non-interest expense      
Salaries and employee benefits 14,320 13,810 13,111
Occupancy expense 1,777 2,284 2,088
Equipment expense 1,732 1,657 1,471
Advertising expense 554 483 470
Data processing expense 1,997 1,976 2,088
Regulatory assessments 729 950 1,801
Bank shares tax 836 705 522
Expense of other real estate owned 409 400 2,569
Legal expense 362 437 1,799
Professional fees 961 1,014 1,567
Insurance expenses 516 659 951
Legal settlements 777
Other losses 277 281 2,279
Other operating expenses 3,075 3,031 2,853
Total non-interest expense 27,545 28,464 33,569
Income before income taxes 8,056 8,081 13,746
Income tax expense (benefit) 1,747 (27,759) 326
Net income $ 6,309 $ 35,840 $ 13,420
Earnings per share      
Basic (in dollars per share) $ 0.38 $ 2.17 $ 0.81
Diluted (in dollars per share) 0.38 2.17 0.81
Cash dividends declared, per share (in dollars per share) $ 0.09
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING:      
Basic (in shares) 16,571,262 16,499,622 16,472,660
Diluted (in shares) 16,572,695 16,499,622 16,472,871