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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Commitments and Contingencies, Contractual Commitments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Agency Business Commitments
Cash collateral	$ 94,847	$ 316,455	$ 94,847	$ 316,455	$ 210,875	$ 180,606
Debt Obligations
2020 (six months ending December 31, 2020)	802,105		802,105
2021	442,395		442,395
2022	1,821,154		1,821,154
2023	926,676		926,676
2024	382,904		382,904
Thereafter	501,845		501,845
Total	4,877,079		4,877,079
Minimum Annual Operating Lease Payments
2020 (six months ending December 31, 2020)	2,547		2,547
2021	3,124		3,124
2022	2,775		2,775
2023	2,052		2,052
2024	1,459		1,459
2025	1,503		1,503
Thereafter	1,802		1,802
Total	15,262		15,262
Total
2020 (six months ending December 31, 2020)	804,652		804,652
2021	445,519		445,519
2022	1,823,929		1,823,929
2023	928,728		928,728
2024	384,363		384,363
2025	1,503		1,503
Thereafter	503,647		503,647
Total	4,892,341		4,892,341
Operating lease expense	1,500	$ 1,500	3,100	$ 2,900
Unfunded CLO Commitments
Unfunded commitments related to structured loans and investments	150,900		150,900
Fannie Mae
Agency Business Commitments
Minimum liquid assets to be maintained to meet operational liquidity requirements	15,400		$ 15,400
Period of funding for collateral requirement			48 months
Forward Contracts
Agency Business Commitments
Period of contractual commitment			60 days
Restricted liquidity arrangement - loans sold under the Fannie Mae DUS program \| Fannie Mae
Agency Business Commitments
Letter of credit assigned	45,000		$ 45,000
Cash collateral	4,400		4,400
Reserve required to fund additional restricted liquidity over the next 48 months	37,700		$ 37,700
Period of additional funding for collateral requirement			48 months
Cash collateral arrangement - purchase and loss obligations under Freddie Mac's SBL Program
Agency Business Commitments
Cash collateral per securitization	5,000		$ 5,000
Outstanding letters of credit	$ 5,000		$ 5,000