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Note 2 - Mortgage-backed Securities, At Fair Value (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Marketable Securities [Table Text Block]

(in thousands)
		*March 31, 2024*												*December 31, 2023*
		*Par Value*				Cost⁽¹⁾				*Fair Value*				*Par Value*				Cost⁽¹⁾				*Fair Value*
Pass-Through RMBS Certificates:
Fixed-rate Mortgages		$	4,351,259			$	4,466,595			$	3,864,505			$	4,051,145			$	4,198,424			$	3,877,082
Total Pass-Through Certificates			4,351,259				4,466,595				3,864,505				4,051,145				4,198,424				3,877,082
Structured RMBS Certificates:
Interest-Only Securities⁽²⁾			n/a				19,142				16,326				n/a				19,839				16,572
Inverse Interest-Only Securities⁽³⁾			n/a				1,756				247				n/a				1,825				358
Total Structured RMBS Certificates							20,898				16,573								21,664				16,930
Total		$	4,351,259			$	4,487,493			$	3,881,078			$	4,051,145			$	4,220,088			$	3,894,012