Balance Sheet Offsetting and Repurchase Agreements Accounted for as Secured Borrowings (Tables)

12 Months Ended

Dec. 31, 2018

Offsetting [Abstract]

Schedule of summary of amounts outstanding under reverse repurchase agreements

The following table presents a summary of amounts outstanding under reverse repurchase agreements and derivative financial instruments including those entered into in connection with the same counterparty under master netting agreements as of the dates indicated (in thousands).

	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
December 31, 2018							Net Asset Balance		Financial Instruments			Collateral Received			Net Amount
Repurchase agreements / reverse repurchase agreements	$	50,000		$	(50,000	)	$	—	$	—		$	—		$	—
Derivatives	24,705			—			24,705		(973		)	(8,029		)	15,703
Total	$	74,705		$	(50,000	)	$	24,705	$	(973	)	$	(8,029	)	$	15,703
Weighted average interest rate of reverse repurchase agreements	3.20		%
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
							Net Liability Balance		Financial Instruments			Collateral Pledged			Net Amount
Repurchase agreements / reverse repurchase agreements	$	50,000		$	(50,000	)	$	—	$	—		$	—		$	—
Derivatives	26,433			—			26,433		(973		)	(16,126		)	9,334
Total	$	76,433		$	(50,000	)	$	26,433	$	(973	)	$	(16,126	)	$	9,334
Weighted average interest rate of repurchase agreements	2.45		%

	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
December 31, 2017							Net Asset Balance		Financial Instruments			Collateral Received			Net Amount
Repurchase agreements / reverse repurchase agreements	$	100,000		$	(100,000	)	$	—	$	—		$	—		$	—
Derivatives	22,721			—			22,721		(1,490		)	(6,369		)	14,862
Total	$	122,721		$	(100,000	)	$	22,721	$	(1,490	)	$	(6,369	)	$	14,862
Weighted average interest rate of reverse repurchase agreements	1.95		%
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
							Net Liability Balance		Financial Instruments			Collateral Pledged			Net Amount
Repurchase agreements / reverse repurchase agreements	$	100,000		$	(100,000	)	$	—	$	—		$	—		$	—
Derivatives	25,376			—			25,376		(1,490		)	(17,190		)	6,696
Total	$	125,376		$	(100,000	)	$	25,376	$	(1,490	)	$	(17,190	)	$	6,696
Weighted average interest rate of repurchase agreements	1.20		%

Schedule of repurchase agreements remaining contractual maturity of the agreements

The following table presents additional detail regarding repurchase agreements accounted for as secured borrowings and the securities underlying these agreements as of the dates indicated (in thousands).

	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Up to 30 Days		30 to 90 Days		91 to 110 Days		Total
As of December 31, 2018
Mortgage-backed securities	$	—	$	—	$	50,000	$	—	$	50,000
Total	$	—	$	—	$	50,000	$	—	$	50,000
Gross amount of recognized liabilities for repurchase agreements in offsetting disclosure									$	50,000
Amounts related to agreements not included in offsetting disclosure									$	—
As of December 31, 2017
Mortgage-backed securities	$	—	$	—	$	100,000	$	—	$	100,000
Total	$	—	$	—	$	100,000	$	—	$	100,000
Gross amount of recognized liabilities for repurchase agreements in offsetting disclosure									$	100,000
Amounts related to agreements not included in offsetting disclosure									$	—