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Share-Based Compensation - Plan Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Share-Based Compensation
Compensation expense	$ 624	$ 399	$ 859	$ 649
2019 Equity Incentive Plan
Share-Based Compensation
Awards authorized	1,100,000		1,100,000
2019 Equity Incentive Plan \| Restricted stock awards
Share-Based Compensation
Awards issued			28,242
2019 Equity Incentive Plan \| Restricted stock units
Share-Based Compensation
Awards issued			49,604