Other Assets (TBA Securities) (Details) - Short	3 Months Ended
Jun. 30, 2021 USD ($)
TBA Securities
Derivative [Line Items]
Loss on derivative	$ 1,100,000
FNCL 2.0 7/21
Derivative [Line Items]
Notional Amount	100,000,000
FNCL 2.5 7/21
Derivative [Line Items]
Notional Amount	$ 120,000,000

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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