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Stock Based Compensation (Details Textual) - 2017 Incentive Plan - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares vested			122,517
Number of shares vested, weighted average fair value			$ 9.97
Restricted Stock Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum shares available under equity incentive plan					800,000
Stock based compensation expense	$ 360,000	$ 441,000	$ 1,000.0	$ 1,200
Unrecognized compensation expense	$ 1,900,000		$ 1,900,000
Compensation cost not yet recognized, period for recognition			2 years 8 months 12 days
Time Based Restricted Stock Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share awards granted under equity incentive plan			37,413
Number of shares vested			43,703
Number of shares vested, weighted average fair value			$ 11.73
Performance Based Restricted Stock Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share awards granted under equity incentive plan			67,651
Number of shares vested			78,814
Number of shares vested, weighted average fair value			$ 8.98

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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