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Loans Receivable - Summary of Real Estate Loans Receivable (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loan Carrying Value | $ 1,379,065 |  |  |  |
Allowance for credit losses on real estate loans receivable | (165,083) | $ (166,785) |  | $ (167,432) | $ (224,036)
Non-real estate loans | 409,459 | 375,060 |  |  |
Allowance for credit losses on non-real estate loans receivable | (151,762) | (151,433) |  |  |
Non-real estate loans receivable, net of credit allowance | 257,697 | 223,627 |  |  |
Total loans receivable, net of credit allowance | 1,213,982 | 1,292,308 |  |  |
Mortgage loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loan Carrying Value | 759,219 | 889,556 |  |  |
Other real estate loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loan Carrying Value | 210,387 | 194,477 |  |  |
Allowance for credit losses on real estate loans receivable |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Allowance for credit losses on real estate loans receivable | (13,321) | (15,352) |  |  |
Real estate loans receivable, net of credit allowance | $ 956,285 | $ 1,068,681 | [1] |  |
[1] | The consolidated balance sheet at December 31, 2021 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.

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