Investments - Schedule of the separate account managed by TP LLC (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Assets
Total assets	$ 2,590,636	$ 2,136,542
Liabilities and shareholders’ equity
Total liabilities and shareholders' equity	509	2,411
Total net investments managed by Third Point LLC	2,590,127	2,134,131
TP Fund
Assets
Total assets	860,630	1,284,004
Total debt securities
Assets
Total assets	125,071	239,640
Total investments in securities
Assets
Total assets	985,701	1,523,644
Cash and cash equivalents
Assets
Total assets	588,196	1,017
Restricted cash and cash equivalents
Assets
Total assets	1,014,543	609,154
Due from brokers
Assets
Total assets	0	1,411
Interest and dividends receivable
Assets
Total assets	2,178	1,316
Other Assets [Member]
Assets
Total assets	18	0
Accounts payable and accrued expenses
Liabilities and shareholders’ equity
Total liabilities and shareholders' equity	509	114
Participation agreement [Member]
Liabilities and shareholders’ equity
Total liabilities and shareholders' equity	$ 0	$ 2,297