Loans Receivable and Allowance for Credit Losses - Schedule of Total Exposure (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Microloans Receivable from Grain
Microloans originated - put back (inception-to-September 30, 2024)	$ 23,932
Write-downs, net of recoveries (inception-to-date as of September 30, 2024)	(15,287)
Cash receipts (inception-to-September 30, 2024)	(6,819)
Grant/reserve (inception-to-September 30, 2024)	(1,826)
Microloans Receivable from Borrowers
Microloans receivable as of September 30, 2024	3,033
Allowance for credit losses as of September 30, 2024	(2,570)	[1]
Microloans, net of allowance for credit losses as of September 30, 2024	463
Investments
Investment in Grain	1,000
Investment write-off in the third quarter of 2022	(1,000)
Total exposure related to microloans as of September 30, 2024	$ 463	[2]

[1] Excludes $1.5 million of security deposits by microloan borrowers reported in deposits in the accompanying Consolidated Statements of Financial Conditions.

[2] Total remaining exposure to microloan borrowers. These loans are now serviced by the Bank.