Employee Benefits (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	May 31, 2014
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions to the plans	$ 362,000	$ 354,000	$ 331,000
Contributions to the ESOP	714,000	173,000	100,000
Shares owned by ESOP	321,449	321,781
Common stock, shares authorized	20,000,000	20,000,000
Number of shares available for grant	350,000
Supplemental Employee Retirement Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accrued liabilities	3,800,000	3,410,000
Life insurance contracts	$ 36,300,000	$ 35,200,000
2014 LTIP [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Common stock, shares authorized				500,000