Employee Benefits (Detail Textuals 4) (Recognition and Retention Plan, Board of Directors and management, USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Recognition and Retention Plan | Board of Directors and management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of shares of the company's stock to members of the board of directors and management	95,220
Number of shares forfeited back into the fund	400
Number of shares of the company's common stock in the open market purchased by RRP	84,490
Vesting period for common stock awarded under the RRP	5 years
Expense recognized under the RRP plan	$ 24,000	$ 29,000
Unearned compensation related to RRP shares	$ 41,000
Weighted average period to recognize unrecognized expense related to plan	3 years 8 months 12 days