Fair Value Measurements and the Fair Value Option - Schedule of Significant Inputs (Details)	Jun. 30, 2023
Capitalization Rates | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.05
Capitalization Rates | Minimum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0500
Capitalization Rates | Maximum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0750
Capitalization Rates | Multifamily | Minimum | Income approach - direct capitalization
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0410
Capitalization Rates | Multifamily | Minimum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0500
Capitalization Rates | Multifamily | Maximum | Income approach - direct capitalization
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0570
Capitalization Rates | Multifamily | Maximum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0750
Capitalization Rates | Office | Minimum | Income approach - direct capitalization
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0430
Capitalization Rates | Office | Minimum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0520
Capitalization Rates | Office | Maximum | Income approach - direct capitalization
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0870
Capitalization Rates | Office | Maximum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0750
Capitalization Rates | Industrial Property | Minimum | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0500
Capitalization Rates | Industrial Property | Minimum | Income approach - direct capitalization
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0390
Capitalization Rates | Industrial Property | Maximum | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0630
Capitalization Rates | Industrial Property | Maximum | Income approach - direct capitalization
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0810
Capitalization Rates | Retail | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0650
Capitalization Rates | Hotel | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0600
Discount Rates | Minimum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0725
Discount Rates | Maximum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0975
Discount Rates | Multifamily | Minimum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0730
Discount Rates | Multifamily | Maximum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0980
Discount Rates | Office | Minimum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0750
Discount Rates | Office | Maximum | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0930
Discount Rates | Industrial Property | Minimum | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0630
Discount Rates | Industrial Property | Maximum | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0780
Discount Rates | Retail | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0830
Discount Rates | Hotel | Level 3 | Income approach - discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0830
Credit Spread | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0138
Credit Spread | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs	0.0725