Loan Portfolio - Schedule of Carrying Value of Loan Portfolio Based on Internal Risk Ratings (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) Integer
Financing Receivable Allowance For Credit Losses [Line Items]
Number of Loans | Integer	74
Amortized Cost Basis	$ 7,089,256
Amortized Cost Basis, current period charge-offs	(11,500)
Year 1	1,338,025
Year 2	2,203,265
Year 3	279,461
Year 4	1,878,528
Charge-offs, Year 4	(11,500)
Year 5	1,286,815
Year 6	$ 103,162
Risk Rating One
Financing Receivable Allowance For Credit Losses [Line Items]
Number of Loans | Integer	1
Amortized Cost Basis	$ 256,758
Year 2	$ 256,758
Risk Rating Two
Financing Receivable Allowance For Credit Losses [Line Items]
Number of Loans | Integer	1
Amortized Cost Basis	$ 927
Year 5	$ 927
Risk Rating Three
Financing Receivable Allowance For Credit Losses [Line Items]
Number of Loans | Integer	60
Amortized Cost Basis	$ 5,623,289
Year 1	1,338,025
Year 2	1,946,507
Year 3	80,614
Year 4	1,653,947
Year 5	506,739
Year 6	$ 97,457
Risk Rating Four
Financing Receivable Allowance For Credit Losses [Line Items]
Number of Loans | Integer	10
Amortized Cost Basis	$ 1,199,077
Year 3	198,847
Year 4	221,081
Year 5	$ 779,149
Risk Rating Five
Financing Receivable Allowance For Credit Losses [Line Items]
Number of Loans | Integer	2
Amortized Cost Basis	$ 20,705
Year 4	15,000
Year 6	$ 5,705