Stock-Based Compensation - Summary of Non-vested PSUs (Details) - Performance share units $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2021 USD ($) $ / shares shares
Number of SAR's Outstanding and Exercisable
Non-vested shares, Beginning balance (in shares) | shares	50,127
Granted (in shares) | shares	62,448
Vested / Settled (in shares) | shares	0
Forfeited / Canceled (in shares) | shares	0
Non-vested shares, Ending balance (in shares) | shares	112,575
Units
Non-vested shares, Weighted-Average Grant Date Fair Value, Beginning Balance (in dollars per share) | $ / shares	$ 6.17
Granted, Weighted-Average Grant Date Fair Value (in dollars per share) | $ / shares	7.09
Vested / Settled in period, Weighted-Average Grant Date Fair Value (in dollars per share) | $ / shares	0
Forfeited, Weighted-Average Grant Date Fair Value (in dollars per share) | $ / shares	0
Non-vested shares, Weighted-Average Grant Date Fair Value, Ending Balance (in dollars per share) | $ / shares	$ 6.68
Outstanding, Aggregate Intrinsic Value | $	$ 834
Outstanding, Weighted Average Remaining Contractual Term (in years)	2 years 2 months 26 days