Loans Receivable (Schedule of Consumer Loans Forecasted Collection Percentage)		Mar. 31, 2022		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Loans Originating In 2013 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		73.40%		73.40%
Initial Forecasted Collection Percentage										72.00%
Variance In Forecasted Collection Percentage From Prior Year End		0.00%
Variance In Initial Forecasted Collection Percentage		1.40%
Loans Originating In 2014 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		71.60%		71.50%
Initial Forecasted Collection Percentage									71.80%
Variance In Forecasted Collection Percentage From Prior Year End		0.10%
Variance In Initial Forecasted Collection Percentage		(0.20%)
Loans Originating In 2015 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		65.20%		65.10%
Initial Forecasted Collection Percentage								67.70%
Variance In Forecasted Collection Percentage From Prior Year End		0.10%
Variance In Initial Forecasted Collection Percentage		(2.50%)
Loans Originating In 2016 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		63.80%		63.60%
Initial Forecasted Collection Percentage							65.40%
Variance In Forecasted Collection Percentage From Prior Year End		0.20%
Variance In Initial Forecasted Collection Percentage		(1.60%)
Loans Originating In 2017 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		64.60%		64.40%
Initial Forecasted Collection Percentage						64.00%
Variance In Forecasted Collection Percentage From Prior Year End		0.20%
Variance In Initial Forecasted Collection Percentage		0.60%
Loans Originating In 2018 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		65.10%		65.10%
Initial Forecasted Collection Percentage					63.60%
Variance In Forecasted Collection Percentage From Prior Year End		0.00%
Variance In Initial Forecasted Collection Percentage		1.50%
Loans Originating In 2019 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		66.80%		66.50%
Initial Forecasted Collection Percentage				64.00%
Variance In Forecasted Collection Percentage From Prior Year End		0.30%
Variance In Initial Forecasted Collection Percentage		2.80%
Loans Originating In 2020 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		68.80%		67.90%
Initial Forecasted Collection Percentage		63.40%
Variance In Forecasted Collection Percentage From Prior Year End		0.90%
Variance In Initial Forecasted Collection Percentage		5.40%
Loans Originating In 2021 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		68.40%		66.50%
Initial Forecasted Collection Percentage		66.30%
Variance In Forecasted Collection Percentage From Prior Year End		1.90%
Variance In Initial Forecasted Collection Percentage		2.10%
Loans Originating In 2022 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		66.90%
Initial Forecasted Collection Percentage		67.20%
Variance In Initial Forecasted Collection Percentage		(0.30%)
Dealer Loans [Member] | Loans Originating In 2013 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		73.30%		73.30%
Initial Forecasted Collection Percentage										72.10%
Variance In Forecasted Collection Percentage From Prior Year End		0.00%
Variance In Initial Forecasted Collection Percentage		1.20%
Dealer Loans [Member] | Loans Originating In 2014 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		71.50%		71.40%
Initial Forecasted Collection Percentage									71.90%
Variance In Forecasted Collection Percentage From Prior Year End		0.10%
Variance In Initial Forecasted Collection Percentage		(0.40%)
Dealer Loans [Member] | Loans Originating In 2015 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		64.50%		64.40%
Initial Forecasted Collection Percentage								67.50%
Variance In Forecasted Collection Percentage From Prior Year End		0.10%
Variance In Initial Forecasted Collection Percentage		(3.00%)
Dealer Loans [Member] | Loans Originating In 2016 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		63.00%		62.80%
Initial Forecasted Collection Percentage							65.10%
Variance In Forecasted Collection Percentage From Prior Year End		0.20%
Variance In Initial Forecasted Collection Percentage		(2.10%)
Dealer Loans [Member] | Loans Originating In 2017 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		63.90%		63.80%
Initial Forecasted Collection Percentage						63.80%
Variance In Forecasted Collection Percentage From Prior Year End		0.10%
Variance In Initial Forecasted Collection Percentage		0.10%
Dealer Loans [Member] | Loans Originating In 2018 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		64.60%		64.60%
Initial Forecasted Collection Percentage					63.60%
Variance In Forecasted Collection Percentage From Prior Year End		0.00%
Variance In Initial Forecasted Collection Percentage		1.00%
Dealer Loans [Member] | Loans Originating In 2019 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		66.50%		66.20%
Initial Forecasted Collection Percentage				63.90%
Variance In Forecasted Collection Percentage From Prior Year End		0.30%
Variance In Initial Forecasted Collection Percentage		2.60%
Dealer Loans [Member] | Loans Originating In 2020 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		68.60%		67.60%
Initial Forecasted Collection Percentage		63.30%
Variance In Forecasted Collection Percentage From Prior Year End		1.00%
Variance In Initial Forecasted Collection Percentage		5.30%
Dealer Loans [Member] | Loans Originating In 2021 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		68.20%		66.20%
Initial Forecasted Collection Percentage		66.30%
Variance In Forecasted Collection Percentage From Prior Year End		2.00%
Variance In Initial Forecasted Collection Percentage		1.90%
Dealer Loans [Member] | Loans Originating In 2022 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		66.90%
Initial Forecasted Collection Percentage		67.20%
Variance In Initial Forecasted Collection Percentage		(0.30%)
Purchased Loans [Member] | Loans Originating In 2013 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	[1],[2]	74.20%		74.20%
Initial Forecasted Collection Percentage	[1],[2]									71.60%
Variance In Forecasted Collection Percentage From Prior Year End		0.00%
Variance In Initial Forecasted Collection Percentage		2.60%
Purchased Loans [Member] | Loans Originating In 2014 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	[1],[2]	72.40%		72.40%
Initial Forecasted Collection Percentage	[1],[2]								70.90%
Variance In Forecasted Collection Percentage From Prior Year End		0.00%
Variance In Initial Forecasted Collection Percentage		1.50%
Purchased Loans [Member] | Loans Originating In 2015 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	[1],[2]	68.90%		68.90%
Initial Forecasted Collection Percentage	[1],[2]							68.50%
Variance In Forecasted Collection Percentage From Prior Year End		0.00%
Variance In Initial Forecasted Collection Percentage		0.40%
Purchased Loans [Member] | Loans Originating In 2016 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	[1],[2]	66.10%		65.80%
Initial Forecasted Collection Percentage	[1],[2]						66.50%
Variance In Forecasted Collection Percentage From Prior Year End		0.30%
Variance In Initial Forecasted Collection Percentage		(0.40%)
Purchased Loans [Member] | Loans Originating In 2017 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	[1],[2]	66.10%		66.00%
Initial Forecasted Collection Percentage	[1],[2]					64.60%
Variance In Forecasted Collection Percentage From Prior Year End		0.10%
Variance In Initial Forecasted Collection Percentage		1.50%
Purchased Loans [Member] | Loans Originating In 2018 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	[1],[2]	66.30%		66.40%
Initial Forecasted Collection Percentage	[1],[2]				63.50%
Variance In Forecasted Collection Percentage From Prior Year End		(0.10%)
Variance In Initial Forecasted Collection Percentage		2.80%
Purchased Loans [Member] | Loans Originating In 2019 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	[1],[2]	67.30%		67.20%
Initial Forecasted Collection Percentage	[1],[2]			64.20%
Variance In Forecasted Collection Percentage From Prior Year End		0.10%
Variance In Initial Forecasted Collection Percentage		3.10%
Purchased Loans [Member] | Loans Originating In 2020 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage	[1],[2]	69.00%		68.40%
Initial Forecasted Collection Percentage	[1],[2]	63.60%
Variance In Forecasted Collection Percentage From Prior Year End		0.60%
Variance In Initial Forecasted Collection Percentage		5.40%
Purchased Loans [Member] | Loans Originating In 2021 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		68.80%	[1],[2]	67.10%
Initial Forecasted Collection Percentage	[1],[2]	66.30%
Variance In Forecasted Collection Percentage From Prior Year End		1.70%
Variance In Initial Forecasted Collection Percentage		2.50%
Purchased Loans [Member] | Loans Originating In 2022 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forecasted Collection Percentage		67.20%
Initial Forecasted Collection Percentage		67.30%
Variance In Initial Forecasted Collection Percentage		(0.10%)

[1] Represents the total forecasted collections we expect to collect on the Consumer Loans as a percentage of the repayments that we were contractually owed on the Consumer Loans at the time of assignment. Contractual repayments include both principal and interest. Forecasted collection rates are negatively impacted by canceled Consumer Loans as the contractual amount owed is not removed from the denominator for purposes of computing forecasted collection rates in the table.

[2] The forecasted collection rates presented for Dealer Loans and Purchased Loans reflect the Consumer Loan classification at the time of assignment.