Stock Issuances and Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	May 12, 2017
Stock Issuances and Repurchases
Gross proceeds from issue of common stock		$ 4,092	$ 6,495
ATM offering
Stock Issuances and Repurchases
Maximum value of common stock available for sale				$ 50,000
Number of stock issued	0	362,800	858,976
Average price		$ 11.53	$ 7.78
Gross proceeds from issue of common stock		$ 4,182	$ 6,684
Underwriter's discounts and commissions		63	100
Offering costs		27	89
Net proceeds from issuance of shares		$ 4,092	$ 6,495