Derivatives (Tables)

12 Months Ended

Dec. 31, 2016

Derivatives [Abstract]

Fair Values of Derivative Financial Instruments

						Fair Values (1)
		Notional Amounts				Assets				Liabilities
	Type of	December 31,				December 31,				December 31,
(in thousands)	Hedge	2016		2015		2016		2015		2016		2015
Derivatives designated
as hedging instruments:
Interest rate swaps	Cash Flow	$	1,100,000	$	500,000	$	—	$	—	$	7,787	$	281
		$	1,100,000	$	500,000	$	—	$	—	$	7,787	$	281
Derivatives not designated
as hedging instruments:
Interest rate swaps (2)	N/A	$	979,391	$	780,871	$	18,405	$	20,622	$	18,362	$	21,007
Risk participation agreements	N/A		84,732		83,430		50		83		105		162
Forward commitments to sell
residential mortgage loans	N/A		75,676		55,128		900		263		221		336
Interest rate-lock commitments
on residential mortgage loans	N/A		46,840		38,853		189		243		228		167
Foreign exchange forward
contracts	N/A		56,152		44,068		771		2,040		729		2,015
		$	1,242,791	$	1,002,350	$	20,315	$	23,251	$	19,645	$	23,687

(1) Derivative assets and liabilities are reported with other assets or other liabilities, respectively, in the consolidated balance sheets.

(2) The notional amount represents both the customer accommodation agreements and offsetting agreements with unrelated financial institutions

Offsetting Derivative Assets and Liabilities Subject to Master Netting Arrangements

As of December 31, 2016
			Gross Amounts Offset in the		Net Amounts  Presented in the		Gross Amounts Not Offset in the Statement of Financial Position
(in thousands)	Gross Amounts Recognized		Statement of Financial Position		Statement of Financial Position		Financial Instruments		Cash Collateral		Net Amount
Derivative Assets	$	4,788	$	—	$	4,788	$	4,788	$	—	$	—
Derivative Liabilities	$	26,846	$	—	$	26,846	$	4,788	$	19,095	$	2,963

As of December 31, 2015
			Gross Amounts Offset in the		Net Amounts  Presented in the		Gross Amounts Not Offset in the Statement of Financial Position
(in thousands)	Gross Amounts Recognized		Statement of Financial Position		Statement of Financial Position		Financial Instruments		Cash Collateral		Net Amount
Derivative Assets	$	224	$	—	$	224	$	224	$	—	$	—
Derivative Liabilities	$	21,034	$	—	$	21,034	$	224	$	23,482	$	(2,672)