Stock Based Compensation - Officer LTIP (Details) - Officer LTIP - Performance award	Sep. 30, 2020
President and Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award as percentage of base salary, threshold performance goal (percent)	198.00%
Award as percentage of base salary, target performance goal (percent)	275.00%
Award as percentage of base salary, high performance goal (percent)	440.00%
Executive Vice President
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award as percentage of base salary, threshold performance goal (percent)	143.00%
Award as percentage of base salary, target performance goal (percent)	200.00%
Award as percentage of base salary, high performance goal (percent)	295.00%
Senior Vice President
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award as percentage of base salary, threshold performance goal (percent)	100.00%
Award as percentage of base salary, target performance goal (percent)	143.00%
Award as percentage of base salary, high performance goal (percent)	207.00%