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Provision (Negative Provision) Of Beneficial Interest In Investments

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

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Amount of transactions with related party during the financial reporting period.

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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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Impairment Expense, Provision for Beneficial Interests, and Restructure Charges - Schedule of Impairment Charges by Asset and Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Beneficial interest in loan securitizations	$ 39,491
Investments - venture capital and funds	537	$ 2,060	$ 6,561
Goodwill impairment		18,873
Impairment expense	42,629	31,925	15,523
Lease Arrangements, Omaha, Nebraska, Termination Fee
Segment Reporting Information [Line Items]
Related party transaction	2,400
Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset	1,170
Other Asset Impairment Charges	695
Computer Software
Segment Reporting Information [Line Items]
Intangible assets		1,708	2,239
Leases, buildings, and associated improvements
Segment Reporting Information [Line Items]
Impairment, long-lived asset	736	4,974	2,772
Property and equipment - internally developed software
Segment Reporting Information [Line Items]
Impairment, long-lived asset		4,310
Property and equipment - internally developed software \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset			3,951
Operating Segments
Segment Reporting Information [Line Items]
Impairment expense	40,227	4,606	7,964
Operating Segments \| Loan Servicing and Systems
Segment Reporting Information [Line Items]
Beneficial interest in loan securitizations	0
Investments - venture capital and funds	0	0	0
Goodwill impairment		0
Impairment expense	736	296	5,511
Operating Segments \| Loan Servicing and Systems \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset	0
Other Asset Impairment Charges	0
Operating Segments \| Loan Servicing and Systems \| Computer Software
Segment Reporting Information [Line Items]
Intangible assets		0	0
Operating Segments \| Loan Servicing and Systems \| Leases, buildings, and associated improvements
Segment Reporting Information [Line Items]
Impairment, long-lived asset	736	296	1,774
Operating Segments \| Loan Servicing and Systems \| Property and equipment - internally developed software
Segment Reporting Information [Line Items]
Impairment, long-lived asset		0
Operating Segments \| Loan Servicing and Systems \| Property and equipment - internally developed software \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset			3,737
Operating Segments \| Education Technology Services and Payments
Segment Reporting Information [Line Items]
Beneficial interest in loan securitizations	0
Investments - venture capital and funds	0	0	0
Goodwill impairment		0
Impairment expense	0	4,310	2,239
Operating Segments \| Education Technology Services and Payments \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset	0
Other Asset Impairment Charges	0
Operating Segments \| Education Technology Services and Payments \| Computer Software
Segment Reporting Information [Line Items]
Intangible assets		0	2,239
Operating Segments \| Education Technology Services and Payments \| Leases, buildings, and associated improvements
Segment Reporting Information [Line Items]
Impairment, long-lived asset	0	0	0
Operating Segments \| Education Technology Services and Payments \| Property and equipment - internally developed software
Segment Reporting Information [Line Items]
Impairment, long-lived asset		4,310
Operating Segments \| Education Technology Services and Payments \| Property and equipment - internally developed software \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset			0
Operating Segments \| Asset Generation and Management
Segment Reporting Information [Line Items]
Beneficial interest in loan securitizations	39,491
Investments - venture capital and funds	0	0	0
Goodwill impairment		0
Impairment expense	39,491	0	0
Operating Segments \| Asset Generation and Management \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset	0
Other Asset Impairment Charges	0
Operating Segments \| Asset Generation and Management \| Computer Software
Segment Reporting Information [Line Items]
Intangible assets		0	0
Operating Segments \| Asset Generation and Management \| Leases, buildings, and associated improvements
Segment Reporting Information [Line Items]
Impairment, long-lived asset	0	0	0
Operating Segments \| Asset Generation and Management \| Property and equipment - internally developed software
Segment Reporting Information [Line Items]
Impairment, long-lived asset		0
Operating Segments \| Asset Generation and Management \| Property and equipment - internally developed software \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset			0
Operating Segments \| Nelnet Bank
Segment Reporting Information [Line Items]
Beneficial interest in loan securitizations	0
Investments - venture capital and funds	0	0	0
Goodwill impairment		0
Impairment expense	0	0	214
Operating Segments \| Nelnet Bank \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset	0
Other Asset Impairment Charges	0
Operating Segments \| Nelnet Bank \| Computer Software
Segment Reporting Information [Line Items]
Intangible assets		0	0
Operating Segments \| Nelnet Bank \| Leases, buildings, and associated improvements
Segment Reporting Information [Line Items]
Impairment, long-lived asset	0	0	0
Operating Segments \| Nelnet Bank \| Property and equipment - internally developed software
Segment Reporting Information [Line Items]
Impairment, long-lived asset		0
Operating Segments \| Nelnet Bank \| Property and equipment - internally developed software \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset			214
NFS Other Operating Segments
Segment Reporting Information [Line Items]
Beneficial interest in loan securitizations	0
Investments - venture capital and funds	0	0	0
Goodwill impairment		0
Impairment expense	0	0	0
NFS Other Operating Segments \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset	0
Other Asset Impairment Charges	0
NFS Other Operating Segments \| Computer Software
Segment Reporting Information [Line Items]
Intangible assets		0	0
NFS Other Operating Segments \| Leases, buildings, and associated improvements
Segment Reporting Information [Line Items]
Impairment, long-lived asset	0	0	0
NFS Other Operating Segments \| Property and equipment - internally developed software
Segment Reporting Information [Line Items]
Impairment, long-lived asset		0
NFS Other Operating Segments \| Property and equipment - internally developed software \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset			0
Corporate and Other Activities
Segment Reporting Information [Line Items]
Beneficial interest in loan securitizations	0
Investments - venture capital and funds	537	2,060	6,561
Goodwill impairment		18,873
Impairment expense	2,402	27,319	7,559
Corporate and Other Activities \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset	1,170
Other Asset Impairment Charges	695
Corporate and Other Activities \| Computer Software
Segment Reporting Information [Line Items]
Intangible assets		1,708	0
Corporate and Other Activities \| Leases, buildings, and associated improvements
Segment Reporting Information [Line Items]
Impairment, long-lived asset	$ 0	4,678	998
Corporate and Other Activities \| Property and equipment - internally developed software
Segment Reporting Information [Line Items]
Impairment, long-lived asset		$ 0
Corporate and Other Activities \| Property and equipment - internally developed software \| Solar
Segment Reporting Information [Line Items]
Impairment, long-lived asset			$ 0