v3.19.1

Financial Derivatives (TBAs) (Details) - TBAs $ in Thousands	Mar. 31, 2019 USD ($)
Notional Amount
Notional Amount	$ 534,037
Cost Basis
Total TBA securities, net	548,378
Market Value
Total TBA securities, net	550,922
Net Carrying Value
Total TBA securities, net	(2,544)
Long
Notional Amount
Notional amount, assets	167,641
Notional amount, liabilities	25,500
Notional Amount	193,141
Cost Basis
Assets	173,619
Liabilities	25,875
Total TBA securities, net	199,494
Market Value
Assets	174,064
Liabilities	25,842
Total TBA securities, net	199,906
Net Carrying Value
Assets	445
Liabilities	(33)
Total TBA securities, net	412
Short
Notional Amount
Notional amount, assets	155,175
Notional amount, liabilities	572,003
Notional Amount	727,178
Cost Basis
Assets	158,767
Liabilities	589,105
Total TBA securities, net	747,872
Market Value
Assets	158,681
Liabilities	592,147
Total TBA securities, net	750,828
Net Carrying Value
Assets	86
Liabilities	(3,042)
Total TBA securities, net	$ (2,956)

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