Stockholders' Equity Computation of diluted weighted average shares outstanding (Details) - shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted average shares outstanding - basic	53,449,834	51,487,557	52,523,272
Weighted average number diluted shares outstanding adjustment	1,464,053	1,499,713	1,793,375
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	0	1,640,477	799,680
Weighted average shares outstanding - diluted	54,913,887	54,627,747	55,116,327
Antidilutive securities excluded from computation of earnings per share, amount	380,000	458,000	798,000