Notes Payable - Callable Medium-Term Notes (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Year two	$ 4,488,583
Year three	3,373,635
Year four	3,071,804
Total principal net of discounts	$ 25,245,778	$ 25,000,199
Weighted - average rate (as a percent)	2.32%
Year one
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	1.94%
Year two
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	2.06%
Year three
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	1.49%
Year four
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	3.02%
Call Option
Debt Instrument [Line Items]
Year one	$ 608,309
Year two	765,897
Year three	1,184,753
Year four	650,044
Thereafter	1,698,054
Total principal net of discounts	$ 4,907,057
Weighted - average rate (as a percent)	2.04%
Call Option \| Year one
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	2.39%
Call Option \| Year two
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	2.07%
Call Option \| Year three
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	1.46%
Call Option \| Year four
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	2.30%
Call Option \| Thereafter
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	2.21%

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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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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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