MERGERS AND ACQUISITIONS (Details) $ / shares in Units, $ in Thousands		3 Months Ended								12 Months Ended
	Aug. 28, 2015 USD ($) bank	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) $ / shares	Dec. 31, 2014 USD ($) $ / shares	Dec. 31, 2013 USD ($)
Mergers and acquisitions
Acquisition related costs										$ 0	$ 722	$ 310
Goodwill acquired		$ 18,480				$ 18,480				18,480	18,480	17,779	$ 17,779
Net income (loss)		$ 2,307	$ 2,310	$ 6,499	$ 1,796	$ 1,402	$ 1,406	$ 1,905	$ 2,103	$ 12,912	6,816	2,079
Two Susquehanna Bank Branches
Mergers and acquisitions
Number of branch locations acquired | bank	2
Deposits assumed	$ 68,697
Loans assumed	17,000
Loans acquired, unpaid principal balance	18,700
Loans acquired, fair value	18,200
Loan discount accreted through interest income	$ 458
Useful life of core intangible asset	10 years
Acquisition related costs											722
Goodwill acquired	$ 701
Revenues											297
Net income (loss)											(122)
Business acquisition, pro forma revenue											76,000	55,100
Business acquisition, pro forma net income (loss)											$ 6,400	$ 1,700
Basic earnings per share, pro forma (in dollars per share) | $ / shares											$ 0.73	$ 0.17
Diluted earnings per share pro forma (in dollars per share) | $ / shares											$ 0.72	$ 0.17