Fair Value (Details 4) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) Issurers_Currently_Performing	Dec. 31, 2015 USD ($) Issurers_Currently_Performing
Additional information related to the Company's trust preferred securities
Available-for-sale Securities, Amortized Cost	$ 183,625	$ 154,124
Total debt securities, Fair Value	$ 179,219	153,901
PreTSL XXIII | Moodys B2 Rating | Fitch C C C Rating
Additional information related to the Company's trust preferred securities
Class	C-2
Available-for-sale Securities, Amortized Cost	$ 760	780
Total debt securities, Fair Value	310	332
Unrealized Gain/(Loss)	$ (450)	$ (448)
Number of Issuers Currently Performing | Issurers_Currently_Performing	90	90
Deferrals and Defaults as a % of Current Collateral	22.50%	22.50%
Excess Subordination as a % of Current Performing Collateral	5.33%	1.77%
Trapeza IX | Moodys Caa2 Rating | Fitch C C Rating
Additional information related to the Company's trust preferred securities
Class	B-1
Available-for-sale Securities, Amortized Cost	$ 860
Total debt securities, Fair Value	515
Unrealized Gain/(Loss)	$ (345)
Number of Issuers Currently Performing | Issurers_Currently_Performing	32
Deferrals and Defaults as a % of Current Collateral	13.30%
Trapeza IX | Moodys Ca Rating | Fitch C C Rating
Additional information related to the Company's trust preferred securities
Class	B-1
Available-for-sale Securities, Amortized Cost		$ 860
Total debt securities, Fair Value		446
Unrealized Gain/(Loss)		$ (414)
Number of Issuers Currently Performing | Issurers_Currently_Performing		31
Deferrals and Defaults as a % of Current Collateral		18.50%
Trust preferred securities
Additional information related to the Company's trust preferred securities
Available-for-sale Securities, Amortized Cost	$ 1,620	$ 1,640
Total debt securities, Fair Value	825	778
Unrealized Gain/(Loss)	$ (795)	$ (862)