Stock Option Plan (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 Optionholder	Dec. 31, 2013 Optionholder
Stock Option Plan [Abstract]
Options maximum term period	10 years
Shares [Roll Forward]
Options outstanding, beginning of period (in shares)	151,335
Granted (in shares)	0
Exercised (in shares)	0
Canceled or expired (in shares)	(70,125)
Options outstanding, end of period (in shares)	81,210	151,335
Options exercisable, end of period (in shares)	81,210
Weighted Average Exercise Price [Roll Forward]
Options outstanding, beginning of period (in dollars per share)	$ 21.66
Granted (in dollars per share)	$ 0
Exercised (in dollars per share)	$ 0
Canceled or expired (in dollars per share)	$ 23.53
Options outstanding, end of period (in dollars per share)	$ 20.05	$ 21.66
Options exercisable, end of period (in dollars per share)	$ 20.05
Weighted Average Remaining Contractual Life (in years) [Abstract]
Options outstanding, end of period	2 years 9 months 14 days
Options exercisable, end of period	2 years 9 months 14 days
Aggregate Intrinsic Value [Abstract]
Options outstanding, end of period	$ 0
Options exercisable, end of period	0
Number of option holders that exercised	0	0
Proceeds from exercise of stock options	0	0
Unrecognized compensation expense related to nonvested options	0	0
Stock compensation expense	$ 0	$ 0
Information pertaining to options outstanding [Abstract]
Options Outstanding, Number Outstanding (in shares)	81,210
Options Outstanding, Weighted Average Remaining Contractual Life	2 years 9 months 14 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 20.05
Options Exercisable, Number Exercisable (in shares)	81,210
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 20.05
20.05 [Member]
Information pertaining to options outstanding [Abstract]
Range of Exercise Prices (in dollars per share)	$ 20.05
Options Outstanding, Number Outstanding (in shares)	81,210
Options Outstanding, Weighted Average Remaining Contractual Life	2 years 9 months 14 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 20.05
Options Exercisable, Number Exercisable (in shares)	81,210
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 20.05