Earnings Per Common Share Schedule of Weighted Average Number of Shares (Details) - shares shares in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Potential issuable common shares used to calculate weighted average share equivalents	1,280	1,063	1,063