Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2011

Shareholders' Equity

Schedule of shares granted and vested

	Number of Shares			Weighted Average Grant Date Fair Value
Unvested shares at December 31, 2008		32,495		$	27.20
Granted in 2009		44,250			28.11
Vested in 2009		(23,180	)		26.72
Unvested shares at December 31, 2009		53,565			28.76
Granted in 2010		48,625			27.96
Vested in 2010		(31,670	)		28.29
Unvested shares at December 31, 2010		70,520			27.96
Granted in 2011		83,050			20.76
Vested in 2011		(49,955	)		20.79
Unvested shares at December 31, 2011		103,615			23.32