Commitments, Contingent Liabilities and Financial Instruments with Off-Balance Sheet Risk (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Commitments, Contingent Liabilities and Financial Instruments with Off-Balance Sheet Risk (Textual) [Abstract]
Unfunded loan commitments	$ 1,131,842	$ 706,972
Letters of credit outstanding	$ 37,063	$ 31,804

Commitments Contingent Liabilities And Financial Instruments With Off Balance Sheet Risk (Textual) [Abstract]

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