Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Unaudited Condensed Consolidated Balance Sheets
Allowance for doubtful accounts	$ 0	$ 0
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 1.00	$ 1.00
Preferred Stock, Shares Authorized (in shares)	5,000,000	5,000,000
Preferred Stock, Shares Issued (in shares)	0	0
Preferred Stock, Shares Outstanding (is shares)	0	0
Common Stock, Par Value (in dollars per share)	$ 0.01	$ 0.01
Authorized common stock (in shares)	250,000,000	250,000,000
Common Stock, Shares Issued (in shares)	13,733,459	13,987,578
Common Stock, Shares Outstanding (in shares)	13,606,130	13,979,624
Treasury stock, Shares Held (in shares)	127,329	7,954