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

No definition available.

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- Definition

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

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- Definition

The effective interest rate during the reporting period.

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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.

+ References

No definition available.

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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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- Definition

Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Long-Term Debt - Credit Facility Narratives (Details) - USD ($)					9 Months Ended
	Oct. 14, 2020	Mar. 16, 2020	Feb. 26, 2020	Nov. 28, 2018	Sep. 30, 2020	Sep. 30, 2019
Line of Credit Facility
Proceeds from warehouse facilities					$ 8,285,891,000	$ 7,511,234,000
Repayments of Lines of Credit					6,985,205,000	$ 7,802,761,000
Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Maximum revolving credit		$ 465,000,000.0	$ 425,000,000.0	$ 250,000,000.0
Long-term debt term				3 years
Proceeds from warehouse facilities					365,000,000.0
Repayments of Lines of Credit					$ 75,000,000.0
Stated interest rate (in percentage)					1.91%	4.41%
Line of Credit \| Revolving Credit Facility \| Subsequent Event
Line of Credit Facility
Repayments of Lines of Credit	$ 100,000,000.0
LIBOR \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Basis spread on variable rate (in percentage)		1.75%	1.75%
Interest Rate Option One \| LIBOR \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Basis spread on variable rate (in percentage)				1.00%
Interest Rate Option Two \| Federal Funds Rate \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Basis spread on variable rate (in percentage)				0.50%
Interest Rate Option Two \| One-month LIBOR \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Basis spread on variable rate (in percentage)				1.00%
Interest Rate Option Two \| LIBOR \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Basis spread on variable rate (in percentage)				2.00%
Minimum \| Interest Rate Option One \| LIBOR \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Basis spread on variable rate (in percentage)				0.25%
Minimum \| Interest Rate Option Two \| LIBOR \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Basis spread on variable rate (in percentage)				1.25%
Maximum \| Interest Rate Option One \| LIBOR \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Basis spread on variable rate (in percentage)				1.25%
Maximum \| Interest Rate Option Two \| LIBOR \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Basis spread on variable rate (in percentage)				2.25%
Weighted Average \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Interest rate in the period (in percentage)					2.53%	4.41%