Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Cash Deposits Subject to Credit Risk (Details)

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Fair Value Measurements - Schedule of Cash Deposits Subject to Credit Risk (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Fair Value Disclosures [Abstract]    
Cash deposits $ 232,329 $ 286,250
Restricted cash deposits (included in other assets) 21,000 24,000
Total cash deposits 253,000 310,000
Amount of cash deposits in excess of amounts federally insured $ 252,000 $ 309,000