Share Based Compensation - Unvested Stock Award Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Number of Shares
Outstanding, beginning of year (in shares)	875,519	756,268	522,225
Grants in period, gross	15,000	432,000	445,227
Vested (in shares)	(458,519)	(312,749)	(211,184)
Forfeited (in shares)	0	0	0
Unvested, end of year (in shares)	432,000	875,519	756,268
Weighted- Average Fair Value
Outstanding, weigted-average fair value, beginning of year (in dollars per share)	$ 7.76	$ 6.67	$ 5.80
Grants in period, weighted average fair value (in dollars per share)	14.66	8.73	7.30
Vested, weighted average fair value (in dollars per share)	7.52	6.44	5.49
Unvested, weighted average fair value, end of year (in dollars per share)	$ 8.25	$ 7.76	$ 6.67