Loans and finance receivables are summarized as follows (in millions).


	June 30, 2023			December 31, 2022
Loans and finance receivables before allowances and discounts	$	25,064		$	24,664
Allowances for credit losses		(912	)		(856	)
Unamortized acquisition discounts and points		(622	)		(600	)
	$	23,530		$	23,208

Loans and finance receivables are principally manufactured home loans, and to a lesser extent, commercial loans and site-built home loans. Reconciliations of the allowance for credit losses on loans and finance receivables for the first six months of 2023 and 2022 follow (in millions).


	First Six Months
	2023			2022
Balance at beginning of year	$	856		$	765
Provision for credit losses		90			50
Charge-offs, net of recoveries		(34	)		(12	)
Balance at June 30	$	912		$	803

As of June 30, 2023, substantially all manufactured and site-built home loans were evaluated collectively for impairment. As of June 30, 2023, we considered approximately 97% of these loans to be current as to payment status. A summary of performing and non-performing home loans before discounts and allowances by year of loan origination as of June 30, 2023 follows (in millions).


	Origination Year
	2023		2022		2021		2020		2019		Prior		Total
Performing	$	3,273	$	4,568	$	3,459	$	2,694	$	1,907	$	7,933	$	23,834
Non-performing		7		5		10		10		6		44		82
	$	3,280	$	4,573	$	3,469	$	2,704	$	1,913	$	7,977	$	23,916

We are also a lender under commercial loan agreements, which had an aggregate principal value of approximately $1.1 billion at June 30, 2023 and $1.9 billion at December 31, 2022. The largest commercial loan is currently to Seritage Growth Properties, with an unpaid principal balance of $550 million at June 30, 2023. Our commercial loans are generally secured by real estate properties or by other assets.