Commitments, Contingent Liabilities and Financial Instruments with Off-Balance Sheet Risk (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Commitments, Contingent Liabilities and Financial Instruments with Off-Balance Sheet Risk (Textual) [Abstract]
Unfunded loan commitments	$ 630,266	$ 463,684
Letters of credit outstanding	$ 30,062	$ 34,391

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant