Share-Based Payments (Details) $ / shares in Units, $ in Thousands			12 Months Ended
	Jun. 25, 2021 director shares	Jun. 19, 2020 director shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares
Share-Based Payments
Shares authorized percentage			3.00%
Number of shares remained available for issuance (in shares)			656,033
Stock-based compensation expense recognized | $			$ 618	$ 699	$ 564
June 2022
Summary of restricted common stock vesting dates
Shares Vesting (in shares)			81,160	0
Restricted Stock Units
Shares Issued Under the Equity Incentive Plans, Unvested at end of year (in shares)			81,160	0
Common Stock Outstanding
Share-Based Payments
Number of shares remained available for issuance (in shares)			1,804,258
Equity awards
Share-Based Payments
Granted (in shares)			1,148,225
Unamortized compensation expense | $			$ 211	$ 619
Restricted Stock Units
Granted (in shares)			1,148,225
Restricted common stock
Share-Based Payments
Granted (in shares)			148,138	131,253
Vested (in shares)			137,820	67,480	29,200
Summary of restricted common stock vesting dates
Shares Vesting (in shares)			117,160	202,365
Restricted Stock Units
Outstanding, beginning of period (in shares)			1,025,542	894,289
Granted (in shares)			148,138	131,253
Cancelled/forfeited (in shares)			(25,455)	0
Outstanding, end of period (in shares)			1,148,225	1,025,542	894,289
Shares Issued Under the Equity Incentive Plans, Unvested at end of year (in shares)			117,160	202,365
Weighted Average Grant Date Fair Value
Outstanding at beginning of period (in dollars per share) | $ / shares			$ 14.10	$ 15.76
Granted (in dollars per share) | $ / shares			5.07	2.79
Cancelled/forfeited (in dollars per share) | $ / shares			2.75	0
Outstanding at end of year (in dollars per share) | $ / shares			13.19	14.10	$ 15.76
Weighted average grant date fair  value, Unvested at end of year (in dollars per share) | $ / shares			$ 5.62	$ 5.50
Restricted common stock | Director Deferred Fee Plan
Share-Based Payments
Granted (in shares)			66,978	3,978
Restricted Stock Units
Granted (in shares)			66,978	3,978
Restricted common stock | March 2021
Summary of restricted common stock vesting dates
Shares Vesting (in shares)			0	36,000
Restricted Stock Units
Shares Issued Under the Equity Incentive Plans, Unvested at end of year (in shares)			0	36,000
Restricted common stock | June 2021
Summary of restricted common stock vesting dates
Shares Vesting (in shares)			0	130,365
Restricted Stock Units
Shares Issued Under the Equity Incentive Plans, Unvested at end of year (in shares)			0	130,365
Restricted common stock | March 2022
Summary of restricted common stock vesting dates
Shares Vesting (in shares)			36,000	36,000
Restricted Stock Units
Shares Issued Under the Equity Incentive Plans, Unvested at end of year (in shares)			36,000	36,000
Restricted common stock | Director
Share-Based Payments
Granted (in shares)	81,160	127,275
Awards granted to each of the entity's independent directors (in shares)	20,290	25,455
Number of independent directors to whom awards were granted | director	4	5
Restricted Stock Units
Granted (in shares)	81,160	127,275