Financial Instruments and Fair Value Measurements - Schedule of Derivative Financial Instruments (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Fair value, liability derivatives	$ (1,582)	$ (45,027)
Derivative Asset	14,098	7
Interest Rate Swaps
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount		16,700
Core Portfolio
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	601,755
Fair value, derivatives, net	(5,849)	(40,650)
Core Portfolio \| Interest Rate Swaps \| Other Liabilities
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	185,295
Fair value, liability derivatives	(1,582)	(40,650)
Core Portfolio \| Interest Rate Swaps \| Other Assets
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	416,460
Derivative Asset	$ 7,431	0
Core Portfolio \| Interest Rate Swaps \| Minimum \| Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative Effective Date	2012-12
Derivative Maturity Date	2022-12
Strike Rate	2.92%
Core Portfolio \| Interest Rate Swaps \| Minimum \| Other Assets
Derivatives, Fair Value [Line Items]
Derivative Effective Date	2015-03
Derivative Maturity Date	2025-03
Strike Rate	1.71%
Core Portfolio \| Interest Rate Swaps \| Maximum \| Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative Effective Date	2022-07
Derivative Maturity Date	2030-07
Strike Rate	3.77%
Core Portfolio \| Interest Rate Swaps \| Maximum \| Other Assets
Derivatives, Fair Value [Line Items]
Derivative Effective Date	2019-06
Derivative Maturity Date	2029-06
Strike Rate	2.60%
Fund Portfolio \| Fund III \| Interest Rate Caps \| Other Assets
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	$ 35,970
Derivative Effective Date	2021-01
Derivative Maturity Date	2022-07
Derivative Asset	$ 0	0
Fund Portfolio \| Fund III \| Interest Rate Caps \| Minimum \| Other Assets
Derivatives, Fair Value [Line Items]
Strike Rate	3.00%
Fund Portfolio \| Fund III \| Interest Rate Caps \| Maximum \| Other Assets
Derivatives, Fair Value [Line Items]
Strike Rate	3.00%
Fund Portfolio \| Fund IV
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	$ 71,338
Fair value, derivatives, net	97	(160)
Fund Portfolio \| Fund IV \| Interest Rate Swaps \| Other Liabilities
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	0
Derivative Asset	0	(167)
Fund Portfolio \| Fund IV \| Interest Rate Swaps \| Other Assets
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	$ 0
Derivative Maturity Date	2022-04
Derivative Asset	$ 0	0
Fund Portfolio \| Fund IV \| Interest Rate Swaps \| Minimum \| Other Assets
Derivatives, Fair Value [Line Items]
Derivative Effective Date	2017-03
Strike Rate	1.97%
Fund Portfolio \| Fund IV \| Interest Rate Swaps \| Maximum \| Other Assets
Derivatives, Fair Value [Line Items]
Derivative Effective Date	2019-01
Strike Rate	2.61%
Fund Portfolio \| Fund IV \| Interest Rate Caps \| Other Assets
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	$ 71,338
Derivative Asset	$ 97	7
Fund Portfolio \| Fund IV \| Interest Rate Caps \| Minimum \| Other Assets
Derivatives, Fair Value [Line Items]
Derivative Effective Date	2020-12
Derivative Maturity Date	2022-12
Strike Rate	3.00%
Fund Portfolio \| Fund IV \| Interest Rate Caps \| Maximum \| Other Assets
Derivatives, Fair Value [Line Items]
Derivative Effective Date	2021-07
Derivative Maturity Date	2023-07
Strike Rate	3.50%
Fund Portfolio \| Fund V
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	$ 338,109
Fair value, derivatives, net	6,570	(4,210)
Fund Portfolio \| Fund V \| Interest Rate Swaps \| Other Liabilities
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	0
Fair value, liability derivatives	0	(4,210)
Fund Portfolio \| Fund V \| Interest Rate Swaps \| Other Assets
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	338,109
Fair value, liability derivatives	$ (6,570)	$ 0
Fund Portfolio \| Fund V \| Interest Rate Swaps \| Minimum \| Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative Effective Date	2018-06
Derivative Maturity Date	2022-10
Strike Rate	0.91%
Fund Portfolio \| Fund V \| Interest Rate Swaps \| Maximum \| Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative Effective Date	2022-04
Derivative Maturity Date	2025-04
Strike Rate	2.88%

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+ References

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Fair value of the assets less the liabilities of a derivative or group of derivatives.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

+ References

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+ References

No definition available.

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