Investment Securities (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
Security Owned and Pledged as Collateral Carrying Value	$ 149,800,000		$ 149,800,000
Investment Portfolio, Number of Securities	358		358
Investment Portfolio, Number of Securities, Unrealized Loss	13		13
Realized Investment Gains (Losses)	$ 151,000	$ 0	$ 509,000	$ 0
Realized Investment Gains Losses, Net of Tax	98,000	0	331,000	0
Other Comprehensive Income (Loss), before Tax	$ (82,000)	$ 2,024,000	2,070,000	(313,000)
Collateralized Debt Obligations [Member]
Other Comprehensive Income (Loss), before Tax			$ 0	$ 0