Derivative Instruments and Balance Sheet Offsetting (Tables)

3 Months Ended

Mar. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule reflecting the amount and fair value of risk management derivatives and mortgage banking and customer initiated derivatives

The following table presents the notional amount and fair value of the Corporation’s derivative instruments held or issued in connection with customer-initiated and mortgage banking activities. 

	March 31, 2017						December 31, 2016
			Fair Value						Fair Value
(Dollars in thousands)	Notional Amount (1)		Gross Derivative Assets (2)		Gross Derivative Liabilities (2)		Notional Amount (1)		Gross Derivative Assets (2)		Gross Derivative Liabilities (2)
Customer-initiated and mortgage banking derivatives:
Customer-initiated derivatives	$	837,903	$	6,377	$	6,342	$	600,598	$	4,406	$	4,141
Forward contracts related to mortgage loans to be delivered for sale	121,008		—		342		140,155		635		—
Interest rate lock commitments	96,764		2,178		—		76,034		956		—
Power Equity CD	37,635		2,234		2,234		36,807		2,218		2,218
Total gross derivatives	$	1,093,310	$	10,789	$	8,918	$	853,594	$	8,215	$	6,359

(1) Notional or contract amounts, which represent the extent of involvement in the derivatives market, are used to determine the contractual cash flows required in accordance with the terms of the agreement.  These amounts are typically not exchanged, significantly exceed amounts subject to credit or market risk and are not reflected in the Consolidated Statements of Financial Position.

(2) Derivative assets are included within "Other assets" and derivative liabilities are included within "Other liabilities" on the Consolidated Statements of Financial Position. Included in the fair value of the derivative assets are credit valuation adjustments for counterparty credit risk totaling $138 thousand at March 31, 2017 and $99 thousand at December 31, 2016.

Schedule reflecting the net gains (losses) relating to derivative instruments related to the changes in fair value

The following table presents the net gains (losses) related to derivative instruments reflecting the changes in fair value.

		Three Months Ended March 31,
(Dollars in thousands)	Location of Gain (Loss)	2017			2016
Forward contracts related to mortgage loans to be delivered for sale	Mortgage banking revenue	$	(977	)	$	(233	)
Interest rate lock commitments	Mortgage banking revenue	1,223			161
Customer-initiated derivatives	Other noninterest income	(231		)	—
Total gain (loss) recognized in income		$	15		$	(72	)

Schedule of the Company's financial instruments eligible for offset, offsetting assets

The tables below present information about the Corporation’s financial instruments that are eligible for offset.

							Gross amounts not offset in the statements of financial position
(Dollars in thousands)	Gross amounts recognized		Gross amounts offset in the statements of financial condition		Net amounts presented in the statements of financial position		Financial instruments		Collateral (received)/posted			Net Amount
March 31, 2017
Offsetting derivative assets
Derivative assets	$	6,355	$	—	$	6,355	$	—	$	(450	)	$	5,905
Offsetting derivative liabilities
Derivative liabilities	6,342		—		6,342		—		7,506			(1,164		)
December 31, 2016
Offsetting derivative assets
Derivative assets	$	4,405	$	—	$	4,405	$	—	$	—		$	4,405
Offsetting derivative liabilities
Derivative liabilities	4,141		—		4,141		—		2,550			1,591

Schedule of the Company's financial instruments eligible for offset, offsetting liabilities

The tables below present information about the Corporation’s financial instruments that are eligible for offset.

							Gross amounts not offset in the statements of financial position
(Dollars in thousands)	Gross amounts recognized		Gross amounts offset in the statements of financial condition		Net amounts presented in the statements of financial position		Financial instruments		Collateral (received)/posted			Net Amount
March 31, 2017
Offsetting derivative assets
Derivative assets	$	6,355	$	—	$	6,355	$	—	$	(450	)	$	5,905
Offsetting derivative liabilities
Derivative liabilities	6,342		—		6,342		—		7,506			(1,164		)
December 31, 2016
Offsetting derivative assets
Derivative assets	$	4,405	$	—	$	4,405	$	—	$	—		$	4,405
Offsetting derivative liabilities
Derivative liabilities	4,141		—		4,141		—		2,550			1,591