Shareholders' Equity (Stock-based Compensation) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jun. 11, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Maximum shares in Plan (in shares)		7,582,000		7,582,000
Percent of issued and outstanding shares				20.00%
Options outstanding (in shares)		3,068,000		3,068,000		2,683,000
Stock-based compensation, expense		$ 1,234	$ 1,064	$ 3,581	$ 2,978
Unrecognized pre-tax stock option expense		3,671		$ 3,671
Weighted-average period of recognition				2 years 1 month 28 days
Omnibus Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Maximum shares in Plan (in shares)	7,758,000
Percent of issued and outstanding shares	20.00%
Omnibus Plan | Common Stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Maximum shares in Plan (in shares)	2,600,000
Options
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation, expense		$ 945	745	$ 2,769	2,028
Restricted Stock Units
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
RSUs outstanding (in shares)		679,000		679,000		1,139,000
Stock-based compensation, expense		$ 289	$ 319	$ 812	$ 950
Weighted-average period of recognition				5 months 19 days
Unrecognized pre-tax compensation expense, restricted stock units		$ 938		$ 938