The amount outstanding of funds lent to other depository institutions, securities brokers, or securities dealers in the form of Federal Funds sold; for example, immediately available funds lent under agreements or contracts that mature in one business day or roll over under a continuing contract, regardless of the nature of the transaction or the collateral involved, excluding overnight lending for commercial and industrial purposes. Also include Federal Funds sold under agreements to resell on a gross basis, excluding (1) sales of term Federal Funds, (2) due bills representing purchases of securities or other assets by the reporting bank that have not yet been delivered and similar instruments, (3) resale agreements that mature in more than one business day involving assets other than securities, and (4) yield maintenance dollar repurchase agreements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.3)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Name:	us-gaap_FederalFundsSold
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Acquisition - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended
Acquisition - Narrative (Details) - USD ($) $ in Thousands	Jan. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Federal funds sold		$ 48,500	$ 0
Fox Chase Bank [Member]
Business Acquisition [Line Items]
Total purchase price		243,000
Federal funds sold		48,500
Average amount of federal funds sold to correspondent bank		$ 3,500
Fox Chase Bank [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Business Acquisition [Line Items]
Basis spread of interest rate (LIBOR)	0.05%