Loans Receivable - Allowance For Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for expected credit losses, beginning of period	$ 1,791	$ 1,718
Change in expected credit losses	(182)	(289)
Allowance for expected credit losses, end of period	1,609	1,429
Real estate loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for expected credit losses, beginning of period	1,100	1,362
Change in expected credit losses	(61)	(67)
Allowance for expected credit losses, end of period	1,039	1,295
Commercial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for expected credit losses, beginning of period	691	356
Change in expected credit losses	(121)	(222)
Allowance for expected credit losses, end of period	$ 570	$ 134