Balance Sheet Offsetting (Tables)

12 Months Ended

Dec. 31, 2015

Balance Sheet Offsetting

Schedule of the assets subject to an enforceable master netting arrangement or repurchase agreements

The following tables present the assets and liabilities subject to enforceable master netting arrangements, repurchase agreements, or similar agreements with offsetting rights (in thousands).

							Gross Amounts Not Offset in
					Net Amounts		the Balance Sheet
	Gross Amounts		Gross Amounts		of Assets				Cash
	of Recognized		Offset in the		Presented in the		Financial		Collateral		Net
	Assets		Balance Sheet		Balance Sheet		Instruments		Pledged		Amount
December 31, 2015
Securities borrowed:
Institutional counterparties	$	1,307,741	$	—	$	1,307,741	$	(1,307,741)	$	—	$	—
Interest rate swaps and swaptions:
Institutional counterparties		1,526		(393)		1,133		—		—		1,133
Reverse repurchase agreements:
Institutional counterparties		105,660		—		105,660		(105,412)		—		248
Forward MBS derivatives:
Institutional counterparties		1,377		—		1,377		(1,377)		—		—
	$	1,416,304	$	(393)	$	1,415,911	$	(1,414,530)	$	—	$	1,381
December 31, 2014
Securities borrowed:
Institutional counterparties	$	152,899	$	—	$	152,899	$	(152,899)	$	—	$	—
Interest rate swaps and swaptions:
Institutional counterparties		425		—		425		—		—		425
Forward MBS derivatives:
Institutional counterparties		41		—		41		—		—		41
	$	153,365	$	—	$	153,365	$	(152,899)	$	—	$	466

Schedule of the liabilities subject to an enforceable master netting arrangement or repurchase agreements

							Gross Amounts Not Offset in
					Net Amounts		the Balance Sheet
	Gross Amounts		Gross Amounts		of Liabilities				Cash
	of Recognized		Offset in the		Presented in the		Financial		Collateral		Net
	Liabilities		Balance Sheet		Balance Sheet		Instruments		Pledged		Amount
December 31, 2015
Securities loaned:
Institutional counterparties	$	1,235,466	$	—	$	1,235,466	$	(1,235,466)	$	—	$	—
Interest rate swaps and swaptions:
Institutional counterparties		643		—		643		(2,519)		—		(1,876)
Repurchase agreements:
Institutional counterparties		69,748		—		69,748		(69,748)		—		—
Customer counterparties		148,000		—		148,000		(148,000)		—		—
Forward MBS derivatives:
Institutional counterparties		4,385		(1,769)		2,616		(1,420)		—		1,196
	$	1,458,242	$	(1,769)	$	1,456,473	$	(1,457,153)	$	—	$	(680)
December 31, 2014
Securities loaned:
Institutional counterparties	$	117,822	$	—	$	117,822	$	(117,822)	$	—	$	—
Repurchase agreements:
Customer counterparties		136,396		—		136,396		(136,396)		—		—
Forward MBS derivatives:
Institutional counterparties		12,829		(223)		12,606		—		(6,137)		6,469
	$	267,047	$	(223)	$	266,824	$	(254,218)	$	(6,137)	$	6,469

Schedule of contractual maturities of repurchase agreements and secured borrowing transactions

The following tables present the remaining contractual maturities of repurchase agreement and securities lending transactions accounted for as secured borrowings (in thousands). The Company had no repurchase-to-maturity transactions outstanding at both December 31, 2015 or 2014.

	Remaining Contractual Maturities
	Overnight and						Greater Than
December 31, 2015	Continuous		Up to 30 Days		30-90 Days		90 Days		Total
Repurchase agreement transactions:
U.S. Treasury and agency securities	$	201,090	$	16,658	$	—	$	—	$	217,748
Securities lending transactions:
U.S. Treasury and agency securities		12,646		—		—		—		12,646
Corporate securities		5,993		—		—		—		5,993
Equity securities		1,216,827		—		—		—		1,216,827
Total	$	1,436,556	$	16,658	$	—	$	—	$	1,453,214
Gross amount of recognized liabilities for repurchase agreement and securities lending transactions in offsetting disclosure above									$	1,453,214
Amount related to agreements not included in offsetting disclosure above									$	—
	Remaining Contractual Maturities
	Overnight and						Greater Than
December 31, 2014	Continuous		Up to 30 Days		30-90 Days		90 Days		Total
Repurchase agreement transactions:
U.S. Treasury and agency securities	$	136,396	$	—	$	—	$	—	$	136,396
Securities lending transactions:
U.S. Treasury and agency securities		9,171		—		—		—		9,171
Corporate securities		200		—		—		—		200
Equity securities		108,451		—		—		—		108,451
Total	$	254,218	$	—	$	—	$	—	$	254,218
Gross amount of recognized liabilities for repurchase agreement and securities lending transactions in offsetting disclosure above									$	254,218
Amount related to agreements not included in offsetting disclosure above									$	—