Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Shareholders' Equity

Schedule of shares granted and vested

	Number of Shares			Weighted Average Grant Date Fair Value
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
Granted in 2012		82,332			15.99
Vested in 2012		(71,244	)		15.75
Unvested shares at December 31, 2012		114,703			19.39