Customer Loans and Valuation Accounts - Schedule of Customer Loans (Details) - Consumer Loan - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Loss [Line Items]
Total consumer loans	$ 785	$ 16,785
Less allowance for doubtful accounts	(34)	(883)
Consumer loan, net	$ 751	$ 15,902

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.

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Name:	us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant