Revenue Recognition Contract Balances with Customers (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Receivables from Customers	$ 41,140		$ 41,140		$ 61,687
Contract with Customer, Asset, Net, Current	18		18		18
Contract with Customer, Asset, Net, Noncurrent	3,787		3,787		4,321
Customer deposits and refunds	594		594		$ 983
Increase (Decrease) in Receivables			(20,547)
Increase (Decrease) in Other Current Assets			0
Increase (Decrease) in Other Noncurrent Assets			(534)
Increase (Decrease) in Other Current Liabilities			(389)
Contract with Customer, Liability, Revenue Recognized	$ 200	$ 300	$ 400	$ 700

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Name Accounting Standards Codification
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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Amount of increase (decrease) in current assets classified as other.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of increase (decrease) in current liabilities classified as other.

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Amount of increase (decrease) in noncurrent assets classified as other.

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The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities.

+ References

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Amount due from customers for fees and charges arising from transactions related to the entity's brokerage activities and operations.

+ References

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