Fair Value (Details 2) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) Security	Dec. 31, 2014 USD ($) Security	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)
Breakdown of trust preferred securities
Number considered OTTI | Security	1	1
Total other-than-temporary impairment losses			$ 1,641
Trust preferred securities
Breakdown of trust preferred securities
Total number of trust preferred securities | Security	2	2
Par value, trust preferred securities	$ 1,780	$ 1,802
Number not considered OTTI | Security	1	1
Par value, trust preferred securities not considered OTTI	$ 780	$ 802
Number considered OTTI | Security	1	1
Par value, trust preferred securities considered OTTI	$ 1,000	$ 1,000
Life-to-date impairment recognized in earnings	140	140	$ 2,305	$ 351
Life-to-date impairment recognized in other comprehensive income	862	883
Total other-than-temporary impairment losses	$ 1,002	$ 1,023