Description of Business and Basis of Presentation (Error Correction) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Changes in finance receivables	$ 30,620	$ 83,955
Net cash from operating activities - continuing operations	144,729	124,845
Net cash from operating activities	144,729	86,422
Purchases of investment securities	(68,143)	(282,065)
Proceeds from sales/maturities of investment securities	58,870	214,466
Net change in short-term and other investing activities	(2,964)	387
Net investment in loan receivables		387
Other investing activities	0	1,539
Net cash from investing activities - continuing operations	(66,527)	(73,987)
Net cash from investing activities	(68,034)	(76,489)
Customer deposits at the Bank		22,331
Net cash from financing activities	$ (199,024)	(62,267)
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Changes in finance receivables		84,342
Net cash from operating activities - continuing operations		125,232
Net cash from operating activities		86,809
Purchases of investment securities		(115,565)
Proceeds from sales/maturities of investment securities		94,425
Net change in short-term and other investing activities		(44,035)
Customer deposits at the Bank		22,331
Other investing activities		(885)
Net cash from investing activities - continuing operations		(52,043)
Net cash from investing activities		(54,545)
Net cash from financing activities		(84,598)
Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Changes in finance receivables		(387)
Net cash from operating activities - continuing operations		(387)
Net cash from operating activities		(387)
Purchases of investment securities		(166,500)
Proceeds from sales/maturities of investment securities		120,041
Net change in short-term and other investing activities		44,035
Net investment in loan receivables		387
Customer deposits at the Bank		(22,331)
Other investing activities		2,424
Net cash from investing activities - continuing operations		(21,944)
Net cash from investing activities		(21,944)
Customer deposits at the Bank		22,331
Net cash from financing activities		$ 22,331

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Proceeds for Reserve Account Deposits and Other

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Proceeds for Reserve Account Deposits and Other, Investing

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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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The increase (decrease) during the reporting period in outstanding loans including accrued interest.

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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.

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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.

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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.

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Amount of cash outflow for purchase of marketable security.

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Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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