Acquisitions (Details) $ / shares in Units, $ in Thousands		6 Months Ended
	Apr. 30, 2015 USD ($) $ / shares	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)
Liabilities Assumed:
Goodwill resulting from merger		$ 30,183	$ 30,183
BNB Bancorp, Inc [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Share price (usd per share) | $ / shares	$ 15.75
Equity interest exchange ratio	2.005
Consideration Paid:
Common shares issued	$ 9,063
Cash paid to shareholder(s)	4,403
Consideration paid	13,466
Identifiable Assets Acquired:
Cash and cash equivalents	13,396
Investment securities	58,239
Federal Reserve Bank stock	130
Loans	34,661
Premises and equipment	2,311
Core deposit intangible	1,418
Other assets	532
Total identifiable assets acquired	110,687
Liabilities Assumed:
Deposits	99,133
Deferred income taxes	576
Other liabilities	57
Total liabilities assumed	99,766
Total Identifiable Net Assets Acquired	10,921
Goodwill resulting from merger	$ 2,545
Core deposit intangibles useful life		9 years