Equity and Share Based Payments - Stock Units And Awards (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) $ / shares shares
Restricted stock units
Number of Shares
Outstanding at beginning of year (in shares) | shares	75,000
Granted (in shares) | shares	242,961
Outstanding at end of year (in shares) | shares	317,961
Weighted-Average Grant Date Fair Value
Outstanding at beginning of year (in dollars per share) | $ / shares	$ 3.75
Granted (in dollars per share) | $ / shares	5.34
Outstanding at end of year (in dollars per share) | $ / shares	$ 4.96
Additional information
Unrecognized compensation cost | $	$ 895
Weighted-average period over which compensation cost is expected to be recognized	2 years 8 months 12 days
Deferred stock units
Number of Shares
Outstanding at beginning of year (in shares) | shares	54,500
Granted (in shares) | shares	15,000
Outstanding at end of year (in shares) | shares	69,500
Weighted-Average Grant Date Fair Value
Outstanding at beginning of year (in dollars per share) | $ / shares	$ 6.61
Granted (in dollars per share) | $ / shares	5.34
Outstanding at end of year (in dollars per share) | $ / shares	$ 6.34
Additional information
Unrecognized compensation cost | $	$ 387
Weighted-average period over which compensation cost is expected to be recognized	2 years 7 months 6 days
Restricted stock awards
Number of Shares
Outstanding at beginning of year (in shares) | shares	35,069
Outstanding at end of year (in shares) | shares	35,069
Weighted-Average Grant Date Fair Value
Outstanding at beginning of year (in dollars per share) | $ / shares	$ 3.57
Outstanding at end of year (in dollars per share) | $ / shares	$ 3.57
Additional information
Unrecognized compensation cost | $	$ 0