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FANNIE MAE COMMITMENTS AND PLEDGED SECURITIES - Pledged Securities at Fair Value (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Dec. 31, 2017
Pledged cash and cash equivalents        
Restricted cash $ 4,521 $ 3,029 $ 3,434 $ 2,201
Money market funds 840 6,440 36,891 86,584
Total pledged cash and cash equivalents 5,361 9,469 40,325 88,785
Agency debt securities 114,941 106,862 68,737 9,074
Pledged securities, at fair value $ 120,302 $ 116,331 $ 109,062 $ 97,859