Other Assets - Credit Quality Indicators (Details) $ in Thousands	Sep. 30, 2020 USD ($)
Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	$ 600
2019	20
2018	0
2017	4,113
2016	0
Prior	0
Total	4,733
Hardware Financing Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	148
2018	98
2017	32
2016	0
Prior	0
Total	278
Current | Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	600
2019	20
2018	0
2017	4,113
2016	0
Prior	0
Total	4,733
Current | Hardware Financing Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	81
2018	98
2017	7
2016	0
Prior	0
Total	186
30-59 days past due | Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total	0
30-59 days past due | Hardware Financing Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total	0
60-89 days past due | Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total	0
60-89 days past due | Hardware Financing Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	67
2018	0
2017	0
2016	0
Prior	0
Total	67
90-119 days past due | Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total	0
90-119 days past due | Hardware Financing Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	9
2016	0
Prior	0
Total	9
120+ days past due | Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total	0
120+ days past due | Hardware Financing Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	16
2016	0
Prior	0
Total	$ 16