Securities Lending (Tables)

12 Months Ended

Dec. 31, 2019

Securities Lending [Abstract]

Schedule of contractual gross and net securities borrowing and lending balances

							Amounts not
							offset in the
							consolidated balance
			Gross amounts		Net amounts		sheets but eligible
			offset in the		included in the		for offsetting
	Gross amounts		consolidated		consolidated		upon counterparty
	recognized		balance sheets (1)		balance sheets		default(2)		Net amounts
As of December 31, 2019
Securities borrowed	$	814,331	$	—	$	814,331	$	814,331	$	—
Securities loaned	$	810,495	$	—	$	810,495	$	810,495	$	—
As of December 31, 2018
Securities borrowed	$	931,346	$	—	$	931,346	$	931,346	$	—
Securities loaned	$	930,522	$	—	$	930,522	$	930,522	$	—

⁽¹⁾ Includes financial instruments subject to enforceable master netting provisions that are permitted to be offset to the extent an event of default has occurred.

⁽²⁾ Includes the amount of cash collateral held/posted.