Significant Accounting Policies (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Significant Accounting Policies [Line Items]
Total Assets	$ 2,938,364	$ 3,802,657	$ 2,725,913
Total Liabilities	1,350,695	2,167,376
Variable Interest Entity, Primary Beneficiary [Member]
Significant Accounting Policies [Line Items]
Total Assets	418,369	446,736
Total Liabilities	$ 158,448	$ 260,426