Stock-Based Compensation - Stock-based Compensation Expense (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) year	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) year	Sep. 30, 2019 USD ($)
Employee
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized Stock Compensation Expense	$ 2,086		$ 2,086
Weighted average remaining expense period | year	2.2		2.2
Pre-Tax Expense	$ 108	$ 536	$ 582	$ 1,482
Post-Tax Expense	86	424	460	1,171
Director
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized Stock Compensation Expense	$ 234		$ 234
Weighted average remaining expense period | year	0.6		0.6
Pre-Tax Expense	$ 99	178	$ 406	810
Post-Tax Expense	$ 78	$ 141	$ 321	$ 640