Financing Receivables - Summary of Aging of Financing Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Past Due [Line Items]
Total past due (on non-accrual status)	$ 15,600	$ 11,333
Not past due	13,256	5,198
Total financing receivables	28,856	16,531
Chile
Financing Receivable, Past Due [Line Items]
Total past due (on non-accrual status)	13,982	10,497
Not past due	12,556	4,980
Total financing receivables	26,538	15,477
Other
Financing Receivable, Past Due [Line Items]
Total past due (on non-accrual status)	1,618	836
Not past due	700	218
Total financing receivables	2,318	1,054
Financing Receivables, Less Than One Year Past Due
Financing Receivable, Past Due [Line Items]
Amount past due	12,243	8,262
Financing Receivables, Less Than One Year Past Due | Chile
Financing Receivable, Past Due [Line Items]
Amount past due	10,687	7,618
Financing Receivables, Less Than One Year Past Due | Other
Financing Receivable, Past Due [Line Items]
Amount past due	1,556	644
Financing Receivables, More Than One Year Past Due
Financing Receivable, Past Due [Line Items]
Amount past due	3,357	3,071
Financing Receivables, More Than One Year Past Due | Chile
Financing Receivable, Past Due [Line Items]
Amount past due	3,295	2,879
Financing Receivables, More Than One Year Past Due | Other
Financing Receivable, Past Due [Line Items]
Amount past due	$ 62	$ 192