Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of amounts of non-hedging derivative financial instruments

The following table shows the amounts of non-hedging derivative financial instruments at December 31, 2016 and 2015.

			Asset derivatives			Liability derivatives
(Dollars in thousands)	Notional or contractual amount		Statement of Financial Condition classification	Fair value		Statement of Financial Condition classification	Fair value
Interest rate swap contracts	$	570,004	Other assets	$	6,621	Other liabilities	$	6,743
Loan commitments	5,527		Mortgages held for sale	43		N/A	—
Forward contracts - mortgage loan	16,525		Mortgages held for sale	222		N/A	—
Total - December 31, 2016	$	592,056		$	6,886		$	6,743
Interest rate swap contracts	$	554,083	Other assets	$	9,859	Other liabilities	$	10,044
Loan commitments	12,440		Mortgages held for sale	47		N/A	—
Forward contracts - mortgage loan	16,416		Mortgages held for sale	13		N/A	—
Total - December 31, 2015	$	582,939		$	9,919		$	10,044

Schedule of amounts included in the consolidated statements of income for non-hedging derivative financial instruments

The following table shows the amounts included in the Statements of Income for non-hedging derivative financial instruments at December 31, 2016, 2015 and 2014.

		Gain (loss)
(Dollars in thousands)	Statement of Income classification	2016			2015			2014
Interest rate swap contracts	Other expense	$	64		$	(8	)	$	16
Interest rate swap contracts	Other income	730			1,045			357
Loan commitments	Mortgage banking	(4		)	45			(10		)
Forward contracts - mortgage loan	Mortgage banking	209			155			(263		)
Forward contracts - foreign exchange	Other income	—			—			79
Total		$	999		$	1,237		$	179

Schedule of offsetting of financial assets and derivative assets

The following table shows the offsetting of financial assets and derivative assets at December 31, 2016 and 2015.

							Gross Amounts Not Offset in the Statement of Financial Condition
(Dollars in thousands)	Gross Amounts of Recognized Assets		Gross Amounts Offset in the Statement of Financial Condition		Net Amounts of Assets Presented in the Statement of Financial Condition		Financial Instruments		Cash Collateral Received		Net Amount
December 31, 2016
Interest rate swaps	$	6,681	$	60	$	6,621	$	—	$	—	$	6,621
December 31, 2015
Interest rate swaps	$	10,016	$	157	$	9,859	$	—	$	—	$	9,859

Schedule of offsetting of financial liabilities and derivative liabilities

The following table shows the offsetting of financial liabilities and derivative liabilities at December 31, 2016 and 2015.

							Gross Amounts Not Offset in the Statement of Financial Condition
(Dollars in thousands)	Gross Amounts of Recognized Liabilities		Gross Amounts Offset in the Statement of Financial Condition		Net Amounts of Liabilities Presented in the Statement of Financial Condition		Financial Instruments		Cash Collateral Pledged		Net Amount
December 31, 2016
Interest rate swaps	$	6,803	$	60	$	6,743	$	—	$	3,794	$	2,949
Repurchase agreements	162,913		—		162,913		162,913		—		—
Total	$	169,716	$	60	$	169,656	$	162,913	$	3,794	$	2,949
December 31, 2015
Interest rate swaps	$	10,201	$	157	$	10,044	$	—	$	9,833	$	211
Repurchase agreements	130,662		—		130,662		130,662		—		—
Total	$	140,863	$	157	$	140,706	$	130,662	$	9,833	$	211