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.

+ References

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-Name Accounting Standards Codification
-Topic 210
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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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Balance Type:	credit
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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.

+ References

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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 ($)			12 Months Ended
	Mar. 16, 2020	Feb. 26, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Nov. 28, 2018
Line of Credit Facility
Proceeds from warehouse facilities			$ 12,374,231,000	$ 8,783,225,000	$ 8,612,671,000
Repayments of lines of credit			11,522,677,000	$ 9,545,964,000	$ 8,000,725,000
Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Maximum revolving credit	$ 465,000,000.0	$ 425,000,000.0
Long-term debt term (in years)						3 years
Proceeds from warehouse facilities			365,000,000.0
Repayments of lines of credit			$ 275,000,000.0
Stated interest rate (in percentage)			1.90%	3.76%
LIBOR \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Basis spread on variable rate (in percentage)	1.75%	1.75%
Weighted Average \| Line of Credit \| Revolving Credit Facility
Line of Credit Facility
Interest rate in the period (in percentage)			2.37%	3.76%