Stock Based Compensation - Restricted stock (Details) - Restricted stock	6 Months Ended
	Jun. 30, 2020 $ / shares shares
Number of Restricted Shares
Non-vested shares at beginning (in shares) | shares	1,944
Granted | shares	6,353
Non-vested shares at ending (in shares) | shares	8,297
Weighted Average Grant Date Price Per Share
Non-vested shares at the beginning of the period (in dollars per share) | $ / shares	$ 28.90
Granted | $ / shares	28.25
Non-vested shares at the end of the period (in dollars per share) | $ / shares	$ 28.40