Loans (Details 7) - Jun. 30, 2015 - USD ($) $ in Thousands	Total	Total
Financing Receivable Allowance For Credit Losses [Line Items]
Acquired Loans, Purchases	$ 429,241	$ 429,241
Commercial Real Estate
Financing Receivable Allowance For Credit Losses [Line Items]
Acquired Loans, Purchases	178,680	178,680
Commercial
Financing Receivable Allowance For Credit Losses [Line Items]
Acquired Loans, Purchases	69,544	69,544
Residential Real Estate
Financing Receivable Allowance For Credit Losses [Line Items]
Acquired Loans, Purchases	132,585	132,585
Consumer
Financing Receivable Allowance For Credit Losses [Line Items]
Acquired Loans, Purchases	$ 48,432	$ 48,432