Share-Based Compensation (Details 1) - $ / shares				12 Months Ended
	Feb. 24, 2021	May 21, 2019	Feb. 20, 2018	Dec. 31, 2021	Dec. 31, 2020
Share-based Payment Arrangement, Option [Member]
Stock option activity in shares and weighted average price
Options outstanding, beginning of period, shares				303,705
Options outstanding, beginning of period, weighted average price				$ 27.73
Options expired				(23,800)
Options expired, weighted average price				$ 23.25
Options outstanding, end of period, shares				276,009
Options outstanding, end of period, weighted average price				$ 28.12
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period				(3,896)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price				$ 16.96
Options exercisable, end of period, shares				226,950
Options exercisable, end of period, weighted average price				$ 28.53
Restricted Stock Units (RSUs) [Member]
Restricted stock activity
Restricted units outstanding				344,845	574,916
Restricted units outstanding, weighted average price				$ 8.60	$ 9.02
Restricted stock units granted				100,178
Restricted stock units granted, weighted average price				$ 8.33
Restricted stock units forfeited				(17,802)
Restricted stock units forfeited, weighted average price				$ 11.09
Restricted stock units vested				(312,447)
Restricted stock units vested, weighted average price				$ 9.14
Performance-based stock unit [Member]
Restricted stock activity
Restricted units outstanding				244,989	107,400
Restricted units outstanding, weighted average price				$ 18.84	$ 32.48
Restricted stock units granted	161,389	99,500	30,700	161,389
Restricted stock units granted, weighted average price	$ 13.13	$ 18.86	$ 41.66	$ 13.13
Restricted stock units vested				(23,800)
Restricted stock units vested, weighted average price				$ 41.66