Loans Receivable - Collective Pool Basis (Details) $ in Thousands	Sep. 30, 2022 USD ($) loan	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Carrying Value	$ 1,339,400
Allowance for Credit Loss	(164,765)	$ (166,785)	$ (166,802)	$ (224,036)
Total loans receivable, net of credit allowance	$ 1,174,635	$ 1,292,308
No. of Loans | loan	61
Deteriorated loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Carrying Value	$ 172,265
Allowance for Credit Loss	(148,436)
Total loans receivable, net of credit allowance	$ 23,829
No. of Loans | loan	3
Collective loan pool
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Carrying Value	$ 214,598
Allowance for Credit Loss	(3,012)
Total loans receivable, net of credit allowance	$ 211,586
No. of Loans | loan	13
Collective loan pool
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Carrying Value	$ 19,778
Allowance for Credit Loss	(278)
Total loans receivable, net of credit allowance	$ 19,500
No. of Loans | loan	2
Collective loan pool
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Carrying Value	$ 22,839
Allowance for Credit Loss	(321)
Total loans receivable, net of credit allowance	$ 22,518
No. of Loans | loan	4
Collective loan pool
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Carrying Value	$ 51,954
Allowance for Credit Loss	(729)
Total loans receivable, net of credit allowance	$ 51,225
No. of Loans | loan	6
Collective loan pool
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Carrying Value	$ 748,653
Allowance for Credit Loss	(10,456)
Total loans receivable, net of credit allowance	$ 738,197
No. of Loans | loan	18
Collective loan pool
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Carrying Value	$ 109,313
Allowance for Credit Loss	(1,533)
Total loans receivable, net of credit allowance	$ 107,780
No. of Loans | loan	15