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Insider Trading Arrangements
 3 Months Ended 6 Months Ended
Jun. 30, 2023
shares
Jun. 30, 2023
shares
Trading Arrangements, by Individual    
Material Terms of Trading Arrangement   On June 16, 2023, Anthony Welters, a director of the Company, adopted a trading plan with respect to the exercise of expiring stock appreciation rights (“SARs”) granted to Mr. Welters as director compensation in 2013 and 2014 (the “Plan”). The Plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act. Pursuant to the Plan, if the market price of the Company’s common stock exceeds the exercise price for the applicable SARs by a specified amount during the applicable trading window, the applicable SARs will be exercised and the net shares received by Mr. Welters from such exercise will be sold at market prices. 2,250 SARs expire on each of December 31, 2023, March 31, 2024, June 30, 2024, September 30, 2024 and December 31, 2024. The trading window under the Plan for each such expiration begins on the first trading day of the expiration month and ends on the expiration date.
Non-Rule 10b5-1 Arrangement Adopted false  
Rule 10b5-1 Arrangement Terminated false  
Non-Rule 10b5-1 Arrangement Terminated false  
Anthony Welters [Member]    
Trading Arrangements, by Individual    
Name Anthony Welters  
Title director  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date June 16, 2023  
Arrangement Duration 396 days  
Aggregate Available 2,250 2,250