Share-Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Shares [Abstract]
Options outstanding, end of period (in shares)	165,710
Options outstanding, Granted (in shares)	0
Options outstanding, Exercised (in shares)	0
Options outstanding, Canceled or expired (in shares)	(8,750)
Options outstanding, end of period (in shares)	156,960
Options exercisable, end of period (in shares)	138,718
Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price, Option outstanding, beginning of period (in dollars per share)	$ 21.64
Weighted Average Exercise Price, Granted (in dollars per share)	$ 0
Weighted Average Exercise Price, Exercised (in dollars per share)	$ 0
Weighted Average Exercise Price, Canceled or expired (in dollars per share)	$ 21.67
Weighted Average Exercise Price, Options outstanding, end of period (in dollars per share)	$ 21.63
Weighted Average Exercise Price, Options exercisable, end of period (in dollars per share)	$ 21.84
Weighted Average Remaining Contractual Life [Abstract]
Weighted Average Remaining Contractual Life, Options outstanding (in years)	3 years 8 months 16 days
Weighted Average Remaining Contractual Life, Options exercisable (in years)	3 years 6 months 11 days
Aggregate Intrinsic Value [Abstract]
Aggregate Intrinsic Value, Options outstanding, end of period	$ 0
Aggregate Intrinsic Value, Options exercisable, end of period	0
Unrecognized compensation cost related to nonvested options	$ 1