Share-Based Compensation - Stock Options (Details) - USD ($)	12 Months Ended	192 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Number of shares
Forfeited (in shares)	(356)	(6,250)	(4,963)
Weighted-Average Exercise Price
Forfeited (in dollars per share)	$ 38.31	$ 85.42	$ 48.89
2004 plan
Additional disclosures
Granted (in shares)				0
2020 plan
Share-Based Compensation
Number of shares registered	2,072,245
Stock Options
Number of shares
Outstanding at the beginning of the period (in shares)	185,125	256,425	176,888
Assumed stock options and warrants from ACBI merger (in shares)	23,410		136,831
Exercised (in shares)	(43,525)	(64,075)	(52,331)
Expired (in shares)	(2,822)	(975)
Outstanding at the end of the period (in shares)	161,832	185,125	256,425	176,888
Exercisable at the end of the period (in shares)	161,832	185,125	256,425
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 63.03	$ 59.01	$ 67.14
Assumed stock options and warrants from ACBI merger (in dollars per share)	40.73		37.85
Exercised (in dollars per share)	41.16	45.35	32.12
Expired (in dollars per share)	36.98	24.37
Outstanding at the end of the period (in dollars per share)	66.20	63.03	59.01	$ 67.14
Exercisable at the end of the period (in dollars per share)	$ 66.20	$ 63.03	$ 59.01
Aggregate Intrinsic Value
Exercisable at the end of the period	$ 2,500,000	$ 3,800,000	$ 4,600,000
Additional disclosures
Total unrecognized compensation cost related to non vested stock option grants	0	0	0
Intrinsic value of stock option shares exercised	$ 1,700,000	$ 2,300,000	$ 2,000,000.0
Incentive stock options \| Maximum
Share-Based Compensation
Vesting period	4 years
Incentive stock options \| Plan 2004 and 2012
Share-Based Compensation
Vesting percentage	25.00%
Expiration period	10 years

Gross number of share options (or share units) assumed from merger during the period.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Number of shares authorized for issuance under share-based payment arrangement.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Percentage of vesting of award under share-based payment arrangement.

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