Share-Based Compensation Plans (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-Based Compensation Plans (Textual) [Abstract]
Shares authorized for grants	500,000
Contractual life of stock options granted	5 years
Expected term of Risk-Free Interest Rate	3 years	3 years	3 years
Compensation expenses option award	$ 12,000	$ 30,000	$ 33,000
Terms of Award	restricted share awards generally vest based on two years of continuous service with one-third of the shares vesting immediately upon issuance of the shares and one-third vesting at the end of each of the next two years.
Vesting Period	2 years
Cost recognized to the restricted shares (in years)	2 years
Compensation expense	126,000	148,000	101,000
Unrecognized compensation expense related to the restricted shares	15,000
Fair value of restricted shares vested	$ 145,000