Fair Value, Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financial assets:
Loans and investments, net	$ 7,213,915	$ 5,285,868
Loans held-for-sale, net	448,940	968,595
Securities held-to-maturity, net	114,696	95,524
Financial liabilities:
Credit and repurchase facilities, Carrying value	2,015,188	2,234,883
Collateralized loan obligations	3,484,088	2,517,309
Senior unsecured notes	836,074	662,843
Convertible senior unsecured notes, net	270,917	267,973
Junior subordinated notes	142,013	141,656
Level 1
Financial liabilities:
Senior unsecured notes	853,814
Level 2
Financial assets:
Loans held-for-sale, net	459,526
Financial liabilities:
Credit and repurchase facilities, Carrying value	391,790
Convertible senior unsecured notes, net	304,689
Level 3
Financial assets:
Loans and investments, net	7,421,181
Loans held-for-sale, net	9,669
Capitalized mortgage servicing rights, net	471,275
Securities held-to-maturity, net	125,003
Financial liabilities:
Credit and repurchase facilities, Carrying value	1,624,501
Collateralized loan obligations	3,506,460
Junior subordinated notes	100,650
Carrying Value
Financial assets:
Loans and investments, net	7,213,915	5,285,868
Loans held-for-sale, net	457,647	986,919
Capitalized mortgage servicing rights, net	418,653
Securities held-to-maturity, net	114,696	95,524
Financial liabilities:
Credit and repurchase facilities, Carrying value	2,015,188	2,234,883
Collateralized loan obligations	3,484,088
Senior unsecured notes	836,074
Convertible senior unsecured notes, net	270,917
Junior subordinated notes	142,013
Fair Value
Financial assets:
Loans and investments, net	7,421,181	5,428,141
Loans held-for-sale, net	469,195	1,007,294
Capitalized mortgage servicing rights, net	471,275
Securities held-to-maturity, net	125,003	94,128
Financial liabilities:
Credit and repurchase facilities, Carrying value	2,016,291	$ 2,235,668
Collateralized loan obligations	3,506,460
Senior unsecured notes	853,814
Convertible senior unsecured notes, net	304,689
Junior subordinated notes	$ 100,650

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Carrying value as of the balance sheet date, of securities sold under agreements to repurchase and the carrying value, as of the balance sheet date, of the outstanding borrowings under warehouse and revolving lines of credit.

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Amount of investment in debt security measured at amortized cost (held-to-maturity).

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