Share-Based Compensation Plan (Tables)

3 Months Ended

Mar. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of restricted share activity

The following table provides a summary of restricted share activity as of March 31, 2012:

	Shares		Weighted-Average Grant  Date Fair Value
Unvested at January 1, 2012	128,664		$	21.59
Granted	52,545		$	23.15
Vested	(48,324	)	$	21.55
Forfeited	—		$	—
Unvested at March 31, 2012	132,885		$	22.22