Other Assets (Tables)

3 Months Ended

Mar. 31, 2021

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Changes in Allowance for Credit Losses for Accounts Receivable

The changes in our allowance for credit losses for accounts receivable are as follows (in thousands):

	Three Months Ended March 31, 2021				Three Months Ended March 31, 2020
	Alarm.com and Certain Subsidiaries		All Other Subsidiaries		Alarm.com and Certain Subsidiaries		All Other Subsidiaries
Beginning of period balance	$	(4,442)	$	(254)	$	(2,500)	$	(84)
Impact of adopting Topic 326	—		—		(212)		(155)
(Provision for) / recovery of expected credit losses	(36)		4		(1,886)		1
Write-offs	808		8		43		4
End of period balance	$	(3,670)	$	(242)	$	(4,555)	$	(234)

The changes in our allowance for credit losses for notes receivable are as follows (in thousands):

	Three Months Ended March 31, 2021				Three Months Ended March 31, 2020
	Loan Receivables		Hardware Financing Receivables		Loan Receivables		Hardware Financing Receivables
Beginning of period balance	$	(73)	$	(16)	$	—	$	(16)
Impact of adopting Topic 326	—		—		(434)		(15)
Recovery of expected credit losses	—		11		347		2
Write-offs	—		—		—		—
End of period balance	$	(73)	$	(5)	$	(87)	$	(29)

Schedule of Financing Receivable Credit Quality Indicators

We manage our notes receivables using delinquency as a key credit quality indicator. Current and delinquent notes receivable by class of financing receivables and by year of origination as of March 31, 2021 are as follows (in thousands):

Loan Receivables:	2021		2020		2019		2018		2017		Prior		Total
Current	$	—	$	1,200	$	14	$	—	$	4,301	$	—	$	5,515
30-59 days past due	—		—		—		—		—		—		—
60-89 days past due	—		—		—		—		—		—		—
90-119 days past due	—		—		—		—		—		—		—
120+ days past due	—		—		—		—		—		—		—
Total	$	—	$	1,200	$	14	$	—	$	4,301	$	—	$	5,515
Hardware Financing Receivables:
Current	$	—	$	—	$	53	$	32	$	—	$	—	$	85
30-59 days past due	—		—		45		17		—		—		62
60-89 days past due	—		—		—		—		—		—		—
90-119 days past due	—		—		—		—		—		—		—
120+ days past due	—		—		—		—		—		—		—
Total	$	—	$	—	$	98	$	49	$	—	$	—	$	147

Schedule of Amortized Cost of Notes Receivable

The amortized cost of notes receivables placed on nonaccrual status is as follows (in thousands):

	March 31, 2021		December 31, 2020
Loan receivables	$	—	$	—
Hardware financing receivables	—		9
Total	$	—	$	9