Per Common Share Amounts (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

	Year Ended December 31,
	2014		2013		2012
Weighted average common shares for basic earnings per share		198,868		187,271		169,508
Effect of dilutive securities: restricted share awards		26		143		163
Weighted average common shares for diluted earnings per share		198,894		187,414		169,671