Loans Portfolio - Summary of Range of LIBOR/SOFR Floors held by Company (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable [Line Items]
Unpaid Principal Balance	$ 7,139,571	$ 6,441,238
LIBOR/SOFR Floor Range One
Financing Receivable [Line Items]
Unpaid Principal Balance	801,963
LIBOR/SOFR Floor Range Two
Financing Receivable [Line Items]
Unpaid Principal Balance	1,548,660
LIBOR/SOFR Floor Range Three
Financing Receivable [Line Items]
Unpaid Principal Balance	737,854
LIBOR/SOFR Floor Range Four
Financing Receivable [Line Items]
Unpaid Principal Balance	220,883
LIBOR/SOFR Floor Range Five
Financing Receivable [Line Items]
Unpaid Principal Balance	2,930,047
LIBOR/SOFR No Floor
Financing Receivable [Line Items]
Unpaid Principal Balance	718,516
LIBOR/SOFR Floor Floating Rate Loans
Financing Receivable [Line Items]
Unpaid Principal Balance	6,957,923
LIBOR/SOFR Floor Fixed Rate
Financing Receivable [Line Items]
Unpaid Principal Balance	$ 181,648
Minimum | LIBOR/SOFR Floor Range One
Financing Receivable [Line Items]
One-month LIBOR Floor Range	2.00%
% of Total	11.00%
Minimum | LIBOR/SOFR Floor Range Two
Financing Receivable [Line Items]
One-month LIBOR Floor Range	1.50%
% of Total	22.00%
Minimum | LIBOR/SOFR Floor Range Three
Financing Receivable [Line Items]
One-month LIBOR Floor Range	1.00%
% of Total	10.00%
Minimum | LIBOR/SOFR Floor Range Four
Financing Receivable [Line Items]
One-month LIBOR Floor Range	0.50%
% of Total	3.00%
Minimum | LIBOR/SOFR Floor Range Five
Financing Receivable [Line Items]
% of Total	41.00%
Minimum | LIBOR/SOFR No Floor
Financing Receivable [Line Items]
% of Total	10.00%
Minimum | LIBOR/SOFR Floor Fixed Rate
Financing Receivable [Line Items]
% of Total	3.00%
Maximum | LIBOR/SOFR Floor Range One
Financing Receivable [Line Items]
One-month LIBOR Floor Range	2.50%
Cumulative %	11.00%
Maximum | LIBOR/SOFR Floor Range Two
Financing Receivable [Line Items]
One-month LIBOR Floor Range	1.99%
Cumulative %	33.00%
Maximum | LIBOR/SOFR Floor Range Three
Financing Receivable [Line Items]
One-month LIBOR Floor Range	1.49%
Cumulative %	43.00%
Maximum | LIBOR/SOFR Floor Range Four
Financing Receivable [Line Items]
One-month LIBOR Floor Range	0.99%
Cumulative %	46.00%
Maximum | LIBOR/SOFR Floor Range Five
Financing Receivable [Line Items]
One-month LIBOR Floor Range	0.50%
Cumulative %	87.00%
Maximum | LIBOR/SOFR No Floor
Financing Receivable [Line Items]
Cumulative %	97.00%
Maximum | LIBOR/SOFR Floor Fixed Rate
Financing Receivable [Line Items]
Cumulative %	100.00%