Acquisition	6 Months Ended
Jun. 30, 2016
Business Combinations [Abstract]
Acquisition	Acquisition Fox Chase Bancorp On December 8, 2015, the Corporation and Fox Chase Bancorp, Inc. (Fox Chase), parent company of Fox Chase Bank, entered into an Agreement and Plan of Merger which provided for the merger of Fox Chase with and into the Corporation in a cash and stock transaction with an aggregate value of approximately $243.0 million based on the Corporation's June 30, 2016 closing share price. The transaction is expected to qualify as a tax-free reorganization for federal income tax purposes. On July 1, 2016, the Corporation completed its acquisition of Fox Chase. See Note 15, "Subsequent Event" for additional information. In January 2016, the Corporation approved a discretionary overnight federal funds line to Fox Chase Bank at a rate of one-month LIBOR plus 0.05%. At June 30, 2016, the Corporation had outstanding federal funds sold to Fox Chase Bank of $48.5 million. During the six months ended June 30, 2016, average federal funds sold to Fox Chase Bank were $3.5 million. During the first half of 2016, a purported Fox Chase shareholder filed a purported class action derivative complaint in the Court of Common Pleas of Montgomery County, Pennsylvania. The lawsuit named as defendants Fox Chase, each member of Fox Chase’s board of directors and Univest. The lawsuit alleged that the Fox Chase directors breached their fiduciary duties by agreeing to the merger, that the directors and executive officers had conflicts of interest related to the transaction, that the registration filed on February 26, 2016 failed to disclose material information related to the transaction, and that Univest aided and abetted the alleged breaches of fiduciary duty. During July 2016, the case was dismissed with prejudice.

Acquisition

6 Months Ended

Jun. 30, 2016

Fox Chase Bancorp

On December 8, 2015, the Corporation and Fox Chase Bancorp, Inc. (Fox Chase), parent company of Fox Chase Bank, entered into an Agreement and Plan of Merger which provided for the merger of Fox Chase with and into the Corporation in a cash and stock transaction with an aggregate value of approximately $243.0 million based on the Corporation's June 30, 2016 closing share price. The transaction is expected to qualify as a tax-free reorganization for federal income tax purposes. On July 1, 2016, the Corporation completed its acquisition of Fox Chase. See Note 15, "Subsequent Event" for additional information.

In January 2016, the Corporation approved a discretionary overnight federal funds line to Fox Chase Bank at a rate of one-month LIBOR plus 0.05%. At June 30, 2016, the Corporation had outstanding federal funds sold to Fox Chase Bank of $48.5 million. During the six months ended June 30, 2016, average federal funds sold to Fox Chase Bank were $3.5 million.

During the first half of 2016, a purported Fox Chase shareholder filed a purported class action derivative complaint in the Court of Common Pleas of Montgomery County, Pennsylvania. The lawsuit named as defendants Fox Chase, each member of Fox Chase’s board of directors and Univest. The lawsuit alleged that the Fox Chase directors breached their fiduciary duties by agreeing to the merger, that the directors and executive officers had conflicts of interest related to the transaction, that the registration filed on February 26, 2016 failed to disclose material information related to the transaction, and that Univest aided and abetted the alleged breaches of fiduciary duty. During July 2016, the case was dismissed with prejudice.