Compensation Plans - Schedule of RSU Performance Condition Probability (Details) - Restricted stock units - Average adjusted return on equity targets - Probability of achieving performance condition	9 Months Ended
	Sep. 30, 2020
2020
Schedule of Share-based Payment Awards, Equity Instruments Other Than Options, Performance Condition [Line Items]
Award vesting percentage	45.00%
2019
Schedule of Share-based Payment Awards, Equity Instruments Other Than Options, Performance Condition [Line Items]
Award vesting percentage	57.00%
2018
Schedule of Share-based Payment Awards, Equity Instruments Other Than Options, Performance Condition [Line Items]
Award vesting percentage	50.00%