Investment Securities, Held-to-maturity Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Investment Securities [Abstract]
Sales and transfers of held to maturity securities	$ 0	$ 0	$ 0	$ 0
Amortized cost and fair value of the held to maturity securities [Abstract]
Amortized Cost	48,030		48,030		$ 56,465
Gross Unrecognized Gains	2,961		2,961		2,974
Gross Unrecognized Losses	0		0		0
Fair Value	50,991		50,991		59,439
Mortgage Backed Securities and Collateralized Mortgage Obligations-Residential [Member]
Amortized cost and fair value of the held to maturity securities [Abstract]
Amortized Cost	38,044		38,044		46,490
Gross Unrecognized Gains	2,547		2,547		2,308
Gross Unrecognized Losses	0		0		0
Fair Value	40,591		40,591		48,798
Corporate Bonds [Member]
Amortized cost and fair value of the held to maturity securities [Abstract]
Amortized Cost	9,986		9,986		9,975
Gross Unrecognized Gains	414		414		666
Gross Unrecognized Losses	0		0		0
Fair Value	$ 10,400		$ 10,400		$ 10,641