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Variable Interest Entities and Noncontrolling Interests - Variable interest entity (Details) - USD ($) $ in Thousands | 1 Months Ended | 6 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2014 | Jun. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Jul. 01, 2021
Variable Interest Entity [Line Items] |  |  |  |  |
Net cash provided by (used for) operating activities |  |  | $ 2,833,717 | $ 2,627,551 |
Net cash provided by (used for) investing activities |  |  | (2,106,721) | (1,453,284) |
Net cash (used for) provided by financing activities |  |  | $ (703,877) | $ (881,879) |
Greysbridge Holdings Ltd |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Percentage ownership |  |  |  |  | 40.00%
Kelso And Company | Greysbridge Holdings Ltd |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Percentage ownership |  |  |  |  | 30.00%
Warburg Pincus LLC | Greysbridge Holdings Ltd |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Percentage ownership |  |  |  |  | 30.00%
Variable Interest Entity, Primary Beneficiary | Somers Holdings Ltd |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Initial investment contribution amount | $ 100,000 |  |  |  |
Ownership percentage | 11.00% |  |  |  |
Net cash provided by (used for) operating activities |  | $ 47,000 |  |  |
Net cash provided by (used for) investing activities |  | 96,300 |  |  |
Net cash (used for) provided by financing activities |  | $ (2,000) |  |  |

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
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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. + Details
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- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685 + Details
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