Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity Schedule of Accumulated Other Comprehensive Income (Loss) (Details)

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Stockholders' Equity Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Equity [Abstract]    
Unrealized gains $ 208,619 $ 661,734
Unrealized losses (22,273) (20,133)
Accumulated other comprehensive income $ 186,346 $ 641,601