Share-Based Compensation - Stock Options (Details) - USD ($)	6 Months Ended	20 Months Ended	41 Months Ended	125 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2022
Additional disclosures
Intrinsic value of stock option shares exercised	$ 773,000
2004 plan
Additional disclosures
Granted (in shares)				0
2012 plan
Additional disclosures
Granted (in shares)			0
2019 plan
Additional disclosures
Granted (in shares)		0
2020 plan
Share-Based Compensation
Number of shares registered	2,072,245	2,072,245	2,072,245	2,072,245
Stock Options
Share-Based Compensation
Vesting percentage	25.00%
Vesting period	4 years
Expiration period	10 years
Number of shares
Outstanding at the beginning of the period (in shares)	185,125
Assumed stock options and warrants from ACBI merger (in shares)	23,410
Exercised (in shares)	(18,256)
Expired (in shares)	(1,944)
Outstanding at the end of the period (in shares)	188,335	188,335	188,335	188,335
Exercisable at the end of the period (in shares)	188,335	188,335	188,335	188,335
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 63.03
Assumed stock options and warrants from ACBI merger (in dollars per share)	40.73
Exercised (in dollars per share)	40.51
Expired (in dollars per share)	41.19
Outstanding at the end of the period (in dollars per share)	62.67	$ 62.67	$ 62.67	$ 62.67
Exercisable at the end of the period (in dollars per share)	$ 62.67	$ 62.67	$ 62.67	$ 62.67
Weighted-Average Remaining Contractual Life
Outstanding at the end of the period	3 years 6 months 7 days
Exercisable at the end of the period	3 years 6 months 7 days
Aggregate Intrinsic Value
Outstanding at the end of the period	$ 3,526,000	$ 3,526,000	$ 3,526,000	$ 3,526,000
Exercisable at the end of the period	$ 3,526,000	3,526,000	3,526,000	3,526,000
Additional disclosures
Granted (in shares)	0
Total unrecognized compensation cost related to non vested stock option grants	$ 0	$ 0	$ 0	$ 0