Securities (Details 1) $ in Thousands	Mar. 31, 2016 USD ($)
Amortized cost and fair value of the debt securities maturity
Amortized Cost, Within one year	$ 16,598
Amortized Cost, One to five years	68,090
Amortized Cost, Five to ten years	54,801
Amortized Cost, Beyond ten years	8,383
Amortized Cost, Mortgage-backed, collateralized mortgage obligations and Small Business Administration securities	235,665
Amortized Cost, Total	383,537
Fair Value, Within one year	16,704
Fair Value, One to five years	69,282
Fair Value, Five to ten years	56,129
Fair Value, Beyond ten years	8,423
Fair Value, Mortgage-backed, collateralized mortgage obligations and Small Business Administration securities	236,266
Fair Value, Total	$ 386,804