4. Mortgage and Commercial Loans Receivable

We had $4,386,000 of loan assets as of September 30, 2020, of which $1,504,000 were mortgage loans secured by real property in certain markets throughout the United States, and the remaining balance was comprised of loans to Funders. Summaries of mortgage loan activity for the three months ended September 30, 2020 and 2019 are as follows:


	Principal		Deferred Fees/			Accrued	Carrying
Mortgage Loans Receivable	Balance		Prepaid Interest			Interest	Value
	(Amounts in thousands)
Balance at July 1, 2020	$	1,738	$	(86)	$	43	$	1,695
Additions during the period:
New mortgage loans		1,420		—		—		1,420
Additions to deferred fees		—		(20)		—		(20)
Amortization of deferred fees		—		37		—		37
Interest due at maturity		—		—		10		10
Deductions during the period:
Collections of principal		(1,638)		—		—		(1,638)
Balance at September 30, 2020	$	1,520	$	(69)	$	53	$	1,504

Balance at July 1, 2019	$	4,195	$	(84)	$	3	$	4,114
Additions during the period:
Amortization of deferred fees		—		33		—		33
Deductions during the period:
Collections of principal		(769)		—		—		(769)
Balance at September 30, 2019	$	3,426	$	(51)	$	3	$	3,378

Summaries of loan activity to Funders for the three months ended September 30, 2020 and 2019 are as follows (amounts in thousands):


Other Loans Receivable

Balance at July 1, 2020	$	3,878
Deductions during the period:
Collections of principal		(996)
Balance at September 30, 2020	$	2,882

Balance at July 1, 2019	$	2,750
Additions during the period:
Borrowings		2,750
Balance at September 30, 2019	$	5,500

Loans reported under “Other Loans Receivable” have two-year, interest-only terms, bearing interest at 17.0% per annum, and are to a single Funder. The borrower may pay down principal without incurring a prepayment penalty and paid down $996,000 of principal during the three months ended September 30, 2020.