Line of credit base commitment amount.

No definition available.

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- Definition

Line of credit facility credit period to borrow capital.

+ References

No definition available.

+ Details

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- Definition

Line of credit increase in base credit commitment amount.

+ References

No definition available.

+ Details

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- Definition

Line of credit outstanding amount

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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-Name Accounting Standards Codification
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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

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Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Description of the frequency of periodic payments, which may be presented in a variety of ways (for example, monthly, quarterly, annually).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's right to use underlying asset under operating lease.

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Balance Type:	debit
Period Type:	instant

- Definition

Net cash outflow or inflow from monetary allowance granted by the landlord to a tenant to entice tenant to move into landlords building which will enable the tenant to prepare the leased premises for tenants occupancy.

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Commitments and Contingencies - Additional Information (Details) - USD ($)		9 Months Ended
	Jul. 18, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Bank line of credit
Available committed credit under the facility		$ 4,383,000
Proceeds from tenant improvement allowances		152,000	$ 482,000
Right-of-use assets		223,266,000		$ 180,370,000
Lease liabilities		267,742,000		223,235,000
Legal fees and expenses	$ 6,000,000
Broker Dealer Credit Facility
Bank line of credit
Commitment amount		$ 45,000,000
Maturity date		May 24, 2027
Reference rate (as a percent)		Prime rate
Unused commitment fee percentage		0.25%
Borrowings under credit facility		$ 0
Available committed credit under the facility		$ 45,000,000
Line of credit facility credit period to borrow capital		May 24, 2026
Line of credit facility, frequency of payments		quarterly
Revolving Credit Facility
Bank line of credit
Base credit commitments		$ 50,000,000
Fixed rate of interest (as a percent)		3.50%
Borrowings under the credit facility		$ 0		$ 0
Unused commitment fee percentage		0.25%
Standby Letters of Credit
Bank line of credit
Letters of credit outstanding		$ 617,000
Corporate Revolving Credit Facility
Bank line of credit
Base credit commitments		5,000,000
Corporate Revolving Credit Facility \| Maximum
Bank line of credit
Increase in base credit commitment amount		$ 45,000,000
SOFR \| Revolving Credit Facility
Bank line of credit
Interest rate margin (as a percent)		1.30%
Prime \| Revolving Credit Facility
Bank line of credit
Interest rate margin (as a percent)		(1.50%)
Reference rate (as a percent)		Prime
Secured Bank Line of Credit
Bank line of credit
Maturity date		Jun. 30, 2027
New Lease in London
Bank line of credit
Right-of-use assets		$ 53,880,000
Lease liabilities		$ 53,880,000