Share Based Compensation - Share-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	$ 3,031	$ 4,459
Less: Capitalized compensation expense	(19)	(204)
Share and incentive-based compensation expense, net	3,012	4,255
Recurring Compensation Expense
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	1,207	3,469
Less: Capitalized compensation expense	(19)	(204)
Share and incentive-based compensation expense, net	1,188	3,265
Executive Terminations
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	1,784	490
Less: Capitalized compensation expense	0	0
Share and incentive-based compensation expense, net	1,784	490
Reduction in Force
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	40	500
Less: Capitalized compensation expense	0	0
Share and incentive-based compensation expense, net	40	500
Accelerated Vesting
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	0	0
Less: Capitalized compensation expense	0	0
Share and incentive-based compensation expense, net	0	0
Restricted Stock and Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	1,522
Restricted Stock and Restricted Stock Units | Recurring Compensation Expense
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	974
Restricted Stock and Restricted Stock Units | Executive Terminations
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	508
Restricted Stock and Restricted Stock Units | Reduction in Force
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	40
Restricted Stock and Restricted Stock Units | Accelerated Vesting
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	0
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense		3,223
Restricted Stock | Recurring Compensation Expense
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense		2,526
Restricted Stock | Executive Terminations
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense		197
Restricted Stock | Reduction in Force
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense		500
Restricted Stock | Accelerated Vesting
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense		0
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	1,487	563
Performance Shares | Recurring Compensation Expense
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	211	282
Performance Shares | Executive Terminations
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	1,276	281
Performance Shares | Reduction in Force
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	0	0
Performance Shares | Accelerated Vesting
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	0	0
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	22	673
Stock Options | Recurring Compensation Expense
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	22	661
Stock Options | Executive Terminations
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	0	12
Stock Options | Reduction in Force
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	0	0
Stock Options | Accelerated Vesting
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total share-based compensation expense	$ 0	$ 0