Novation Date, date novation became effective

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- Definition

Describes approvals received from regulatory authorities approving the company's repurchase of Class B shares.

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No definition available.

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- Definition

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

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No definition available.

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- Definition

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

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- Definition

Amount of undisbursed portion of financing receivable balance. Excludes financing receivable covered under loss sharing agreement.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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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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No definition available.

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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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- Definition

The carrying value as of the balance sheet date of the current portion 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

The cash outflow to reacquire common stock during the period.

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Commitments and Contingencies (Details) - USD ($)			3 Months Ended	6 Months Ended
Commitments and Contingencies (Details) - USD ($)	Apr. 12, 2021	Jul. 01, 2018	Jun. 30, 2021	Jun. 30, 2021	May 05, 2021
Line of Credit Facility, Current Borrowing Capacity			$ 500,000	$ 500,000
Treasury Shares, Authorization [Line Items]	On April 12, 2021, the Company and the Foundation received the last of the regulatory approvals required for the Foundation to divest control of the Company and thus all of the Foundation’s Class B Shares were transferred to the Company as of such date.
Novation Date		Jul. 01, 2018
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity			$ 500,000	$ 500,000
Fed Funds Effective Rate Overnight Index Swap Rate
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.50%
London Interbank Offered Rate (LIBOR) Swap Rate
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate				1.00%
London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.75%
Common Stock Class B [Member]
Payments for Repurchase of Common Stock				$ 9.1
Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					$ 20,000,000
Debt Instrument, Interest Rate, Stated Percentage			0.75%	0.75%
Line of Credit Facility, Commitment Fee Percentage			0.375%
Line of Credit, Current			$ 0	$ 0
Base Rate
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					1.75%
London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					2.75%
Unfunded Loan Commitment
Financing Receivable, Loan in Process			$ 64,100,000	$ 64,100,000