Business Segments (Details) - Schedule of revenues by geographical area - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues - Services and fees:
Total Revenues - Services and fees	$ 144,823	$ 113,111	$ 429,799	$ 356,975
Revenues - Sale of goods
Revenues - Sale of goods	23,651	918	26,475	4,023
Total Revenues:
Total Revenues	226,253	180,063	492,515	486,875
North America [Member]
Revenues - Services and fees:
Total Revenues - Services and fees	123,106	113,111	405,611	356,899
Trading income (losses) and fair value adjustments on loans
Trading income (losses) and fair value adjustments on loans	31,753	40,268	(36,142)	71,730
Revenues - Sale of goods
Revenues - Sale of goods	4,242	918	6,028	4,023
Revenues - Interest income - Loans and securities lending:
Revenues - Interest income - Loans and securities lending:	26,026	25,766	72,383	54,147
Total Revenues:
Total Revenues	185,127	$ 180,063	447,880	486,799
AUSTRALIA
Revenues - Services and fees:
Total Revenues - Services and fees	6,094		7,796	15
Total Revenues:
Total Revenues	6,094		7,796	15
Europe [Member]
Revenues - Services and fees:
Total Revenues - Services and fees	15,623		16,392	61
Revenues - Sale of goods
Revenues - Sale of goods	19,409		20,447
Total Revenues:
Total Revenues	$ 35,032		$ 36,839	$ 61