Derivatives and Balance Sheet Offsetting (Tables)

3 Months Ended

Mar. 31, 2015

Derivative [Line Items]

Balance Sheet Offsetting [Table Text Block]

The following tables show the gross interest rate swap agreements and repurchase agreements in the consolidated balance sheets and the respective collateral received or pledged in the form of other financial instruments, which are generally marketable securities. The collateral amounts in these tables are limited to the outstanding balances of the related asset or liability. Therefore, instances of overcollateralization are not shown.

	Gross Amounts of Recognized Assets/Liabilities		Gross Amounts Offset in the Consolidated Balance Sheets		Net Amounts of Assets/Liabilities Presented in the Consolidated Balance Sheets		Gross Amounts Not Offset in the Consolidated Balance Sheets
							Collateral Posted			Net Amount
March 31, 2015	(in thousands)
Assets
Interest rate contracts	$	14,244	$	—	$	14,244	$	—		$	14,244
Liabilities
Interest rate contracts	$	14,300	$	—	$	14,300	$	(14,300	)	$	—
Repurchase agreements	$	96,852	$	—	$	96,852	$	(96,852	)	$	—
December 31, 2014
Assets
Interest rate contracts	$	11,800	$	—	$	11,800	$	—		$	11,800
Liabilities
Interest rate contracts	$	11,851	$	—	$	11,851	$	(11,851	)	$	—
Repurchase agreements	$	105,080	$	—	$	105,080	$	(105,080	)	$	—

Not Designated as Hedging Instrument [Member]

Derivative [Line Items]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The following table presents the fair value of derivatives not designated as hedging instruments at March 31, 2015 and December 31, 2014:

Asset Derivatives

Liability Derivatives

March 31, 2015

December 31, 2014

March 31, 2015

December 31, 2014

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

(in thousands)

Interest rate contracts

Other assets

$

14,244

Other assets

$

11,800

Other liabilities

$

14,300

Other liabilities

$

11,851