Offsetting Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2013

Offsetting [Abstract]

Schedule of assets outstanding under master netting agreements

	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet					Gross Amounts not Offset in the Balance Sheet
June 30, 2013							Net Asset Balance		Financial Instruments		Collateral Received		Net Amount
Repurchase agreements / reverse repurchase agreements	$	400,000		$	(350,000	)	$	50,000	$	-	$	-	$	50,000
Derivatives		9,017			-			9,017		-		-		9,017
Total	$	409,017		$	(350,000	)	$	59,017	$	-	$	-	$	59,017
Weighted average interest rate of reverse repurchase agreements		1.09	%
	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet			Net Asset Balance		Gross Amounts not Offset in the Balance Sheet
December 31, 2012									Financial Instruments		Collateral Received		Net Amount
Repurchase agreements / reverse repurchase agreements	$	325,000		$	(265,000	)	$	60,000	$	-	$	-	$	60,000
Securities lending transactions		50,000			(50,000	)		-		-		-		-
Derivatives		658			-			658		-		-		658
Total	$	375,658		$	(315,000	)	$	60,658	$	-	$	-	$	60,658
Weighted average interest rate of reverse repurchase agreements		1.18	%
	Gross Amounts of Recognized Assets			Gross Amounts Offset on the Balance Sheet			Net Asset Balance		Gross Amounts not Offset in the Balance Sheet
June 30, 2012									Financial Instruments		Collateral Received		Net Amount
Repurchase agreements / reverse repurchase agreements	$	320,000		$	(200,000	)	$	120,000	$	-	$	-	$	120,000
Derivatives		223			-			223		-		-		223
Total	$	320,223		$	(200,000	)	$	120,223	$	-	$	-	$	120,223
Weighted average interest rate of reverse repurchase agreements		1.27	%

Schedule of liabilities outstanding under master netting agreements

	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet			Net Liability Balance		Gross Amounts not Offset in the Balance Sheet
									Financial Instruments		Collateral Pledged		Net Amount
Repurchase agreements / reverse repurchase agreements	$	350,000		$	(350,000	)	$	-	$	-	$	-	$	-
Derivatives		29,330			-			29,330		-		18,198		11,132
Total	$	379,330		$	(350,000	)	$	29,330	$	-	$	18,198	$	11,132
Weighted average interest rate of repurchase agreements		.25	%
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet			Net Liability Balance		Gross Amounts not Offset in the Balance Sheet
									Financial Instruments		Collateral Pledged		Net Amount
Repurchase agreements / reverse repurchase agreements	$	265,000		$	(265,000	)	$	-	$	-	$	-	$	-
Securities lending transactions		50,000			(50,000	)		-		-		-		-
Derivatives		12,543			-			12,543		-		11,493		1,050
Total	$	327,543		$	(315,000	)	$	12,543	$	-	$	11,493	$	1,050
Weighted average interest rate of repurchase agreements		.43	%
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset on the Balance Sheet			Net Liability Balance		Gross Amounts not Offset in the Balance Sheet
									Financial Instruments		Collateral Pledged		Net Amount
Repurchase agreements / reverse repurchase agreements	$	200,000		$	(200,000	)	$	-	$	-	$	-	$	-
Derivatives		6,142			-			6,142		-		5,405		737
Total	$	206,142		$	(200,000	)	$	6,142	$	-	$	5,405	$	737
Weighted average interest rate of repurchase agreements		.41	%