Employee Termination Benefits (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Employee Termination Benefits
Cash	$ 1,400	$ 0	$ 6,607	$ 3,487
Share-Based Compensation	$ 1,784	$ 0	$ 1,824	$ 978
Number of Shares (in shares)	159	0	163	81
Total Employee Termination Benefits	$ 3,184	$ 0	$ 8,431	$ 4,465
Executive Employee Termination Benefits
Employee Termination Benefits
Cash	1,005	0	1,009	879
Share-Based Compensation	$ 1,784	$ 0	$ 1,784	$ 478
Number of Shares (in shares)	159	0	159	37
Total Employee Termination Benefits	$ 2,789	$ 0	$ 2,793	$ 1,357
Other Employee Termination Benefits
Employee Termination Benefits
Cash	395	0	5,598	2,608
Share-Based Compensation	$ 0	$ 0	$ 40	$ 500
Number of Shares (in shares)	0	0	4	44
Total Employee Termination Benefits	$ 395	$ 0	$ 5,638	$ 3,108