Trust Preferred Capital Notes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Jul. 29, 2015	Sep. 20, 2007
Trust Preferred Capital Notes [Line Items]
Common stock issued	$ 8,758,000	$ 8,621,000
Trust preferred capital notes	0	7,217,000
Gain on redemption of trust preferred capital notes	$ 2,424,000	0	$ 0
Portion of trust preferred securities in Tier 1 capital, percentage (not to exceed 25%)	25.00%
Trust II [Member]
Trust Preferred Capital Notes [Line Items]
Trust preferred securities issued by subsidiary trust		$ 7,000,000		$ 7,000,000	$ 7,000,000
Common stock issued					$ 217,000
Trust preferred securities purchase price par				0.65375
Trust preferred securities purchase price				$ 4,600,000