Earnings Per Common Share (Narrative) (Details) - shares	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Treasury Stock, Shares, Acquired	50,000	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	119,587		85,425
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	120,710	75,695
Common Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	45,788,000	41,550,000
Treasury Stock, Shares, Acquired	50,000	0