Current Expected Credit Losses - Schedule of Financed Sale Receivables by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Financing Receivable Recorded Investment [Line Items]
Financed sales receivables, By Origination Year, Current fiscal year	$ 8,222	$ 8,816
Financed sales receivables, By Origination Year, Before lastest fiscal year	8,522	11,981
Financed sales receivables, By Origination Year, Two year before latest fiscal year	11,779	14,903
Financed sales receivables, By Origination Year, Three year before latest fiscal year	13,987	17,247
Financed sales receivables, By Origination Year, Four year before latest fiscal year	16,358	17,859
Financed sales receivables, By Origination Year, Prior	59,897	48,864
Financed sales receivables, Total	141,261	139,641
Financing Receivable [Member]
Financing Receivable Recorded Investment [Line Items]
Financed sales receivables, Total	118,765	119,670
In Good Standing [Member]
Financing Receivable Recorded Investment [Line Items]
Financed sales receivables, By Origination Year, Current fiscal year	6,311	6,830
Financed sales receivables, By Origination Year, Before lastest fiscal year	4,414	5,480
Financed sales receivables, By Origination Year, Two year before latest fiscal year	5,733	3,547
Financed sales receivables, By Origination Year, Three year before latest fiscal year	3,831	3,740
Financed sales receivables, By Origination Year, Four year before latest fiscal year	5,890	5,072
Financed sales receivables, By Origination Year, Prior	17,830	12,660
In Good Standing [Member] \| Financing Receivable [Member]
Financing Receivable Recorded Investment [Line Items]
Financed sales receivables, Total	44,009	37,329
Credit Watch [Member]
Financing Receivable Recorded Investment [Line Items]
Financed sales receivables, By Origination Year, Current fiscal year	1,911	1,986
Financed sales receivables, By Origination Year, Before lastest fiscal year	4,108	6,501
Financed sales receivables, By Origination Year, Two year before latest fiscal year	6,046	11,356
Financed sales receivables, By Origination Year, Three year before latest fiscal year	9,847	12,520
Financed sales receivables, By Origination Year, Four year before latest fiscal year	7,733	11,446
Financed sales receivables, By Origination Year, Prior	35,739	34,351
Credit Watch [Member] \| Financing Receivable [Member]
Financing Receivable Recorded Investment [Line Items]
Financed sales receivables, Total	65,384	78,160
Pre-Approved Transactions [Member]
Financing Receivable Recorded Investment [Line Items]
Financed sales receivables, By Origination Year, Three year before latest fiscal year	309
Financed sales receivables, By Origination Year, Four year before latest fiscal year	1,420	613
Financed sales receivables, By Origination Year, Prior	2,285	755
Pre-Approved Transactions [Member] \| Financing Receivable [Member]
Financing Receivable Recorded Investment [Line Items]
Financed sales receivables, Total	4,014	1,368
Transactions Suspended [Member]
Financing Receivable Recorded Investment [Line Items]
Financed sales receivables, By Origination Year, Three year before latest fiscal year		987
Financed sales receivables, By Origination Year, Four year before latest fiscal year	1,315	728
Financed sales receivables, By Origination Year, Prior	4,043	1,098
Transactions Suspended [Member] \| Financing Receivable [Member]
Financing Receivable Recorded Investment [Line Items]
Financed sales receivables, Total	$ 5,358	$ 2,813

Amount of financing receivable originated more than five years prior to current fiscal year.

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