Fair Value, Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financial assets:
Loans and investments, net	$ 4,189,960	$ 3,200,145
Loans held-for-sale, net	847,126	472,964
Securities held-to-maturity, net	88,699	76,363
Financial liabilities:
Credit and repurchase facilities, Carrying value	1,678,288	1,135,627
Collateralized loan obligations	2,130,121	1,593,548
Debt fund	68,629	68,183
Senior unsecured notes	319,799	122,484
Convertible senior unsecured notes, net	284,152	254,768
Junior subordinated notes	140,949	140,259
Level 1
Financial liabilities:
Senior unsecured notes	331,225
Level 2
Financial assets:
Loans held-for-sale, net	860,456
Financial liabilities:
Credit and repurchase facilities, Carrying value	743,594
Convertible senior unsecured notes, net	310,778
Level 3
Financial assets:
Loans and investments, net	4,228,071
Loans held-for-sale, net	16,519
Capitalized mortgage servicing rights, net	328,995
Securities held-to-maturity, net	91,738
Financial liabilities:
Credit and repurchase facilities, Carrying value	934,064
Collateralized loan obligations	2,147,944
Debt fund	70,138
Junior subordinated notes	97,668
Carrying Value
Financial assets:
Loans and investments, net	4,189,960	3,200,145
Loans held-for-sale, net	861,360	481,664
Capitalized mortgage servicing rights, net	286,420
Securities held-to-maturity, net	88,699	76,363
Financial liabilities:
Credit and repurchase facilities, Carrying value	1,678,288	1,135,627
Collateralized loan obligations	2,130,121	1,593,548
Debt fund	68,629	68,183
Senior unsecured notes	319,799	122,484
Convertible senior unsecured notes, net	284,152	254,768
Junior subordinated notes	140,949	140,259
Fair Value
Financial assets:
Loans and investments, net	4,228,071	3,249,499
Loans held-for-sale, net	876,975	489,546
Capitalized mortgage servicing rights, net	328,995
Securities held-to-maturity, net	91,738	79,097
Financial liabilities:
Credit and repurchase facilities, Carrying value	1,677,658	1,135,774
Collateralized loan obligations	2,147,944	1,588,989
Debt fund	70,138	70,154
Senior unsecured notes	331,225	123,750
Convertible senior unsecured notes, net	310,778	267,324
Junior subordinated notes	$ 97,668	$ 95,873

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of commercial real estate debt fund (with maturities initially due after one year or beyond the operating cycle, if longer). The Debt fund is secured by a portfolio of loan obligations, which includes first mortgage bridge loans, senior participations interests in first mortgage bridge loans, subordinate participation interest in first mortgage bridge loans and participation interests in mezzanine loans. The Debt Fund allows, for a period of three years, principal proceeds from portfolio assets to be reinvested in qualifying replacement assets, subject to certain conditions.

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

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