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.

No definition available.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Loans Receivable (Schedule of Consumer Loans Performance) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 6,617.9	$ 6,225.2	$ 5,498.1	$ 5,049.0
Allowance for credit losses	(474.2)	(461.9)	(448.4)	(429.4)
Loans receivable, net	6,143.7	5,763.3
Loan Pool Performance Meets Or Exceeds Initial Estimates [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	3,086.9	2,747.2
Loans receivable, net	3,086.9	2,747.2
Loan Pool Performance Less Than Initial Estimates [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	3,531.0	3,478.0
Allowance for credit losses	(474.2)	(461.9)
Loans receivable, net	3,056.8	3,016.1
Dealer Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	4,347.5	4,141.0	3,773.5	3,518.1
Allowance for credit losses	(383.1)	(378.1)	(379.3)	(366.0)
Loans receivable, net	3,964.4	3,762.9
Dealer Loans [Member] \| Loan Pool Performance Meets Or Exceeds Initial Estimates [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,479.7	1,355.1
Loans receivable, net	1,479.7	1,355.1
Dealer Loans [Member] \| Loan Pool Performance Less Than Initial Estimates [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,867.8	2,785.9
Allowance for credit losses	(383.1)	(378.1)
Loans receivable, net	2,484.7	2,407.8
Purchased Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,270.4	2,084.2	1,724.6	1,530.9
Allowance for credit losses	(91.1)	(83.8)	$ (69.1)	$ (63.4)
Loans receivable, net	2,179.3	2,000.4
Purchased Loans [Member] \| Loan Pool Performance Meets Or Exceeds Initial Estimates [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,607.2	1,392.1
Loans receivable, net	1,607.2	1,392.1
Purchased Loans [Member] \| Loan Pool Performance Less Than Initial Estimates [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	663.2	692.1
Allowance for credit losses	(91.1)	(83.8)
Loans receivable, net	$ 572.1	$ 608.3