Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2018

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.

			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
March 31, 2018
Interest rate swap contracts	$	781,975	Other assets	$	5,342	Other liabilities	$	5,439
Loan commitments	8,114		Mortgages held for sale	62		N/A	—
Forward contracts - mortgage loan	15,755		N/A	—		Mortgages held for sale	7
Total	$	805,844		$	5,404		$	5,446
December 31, 2017
Interest rate swap contracts	$	756,550	Other assets	$	5,167	Other liabilities	$	5,262
Loan commitments	8,504		Mortgages held for sale	66		N/A	—
Forward contracts - mortgage loan	19,390		N/A	—		Mortgages held for sale	10
Total	$	784,444		$	5,233		$	5,272

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.

		Gain (loss)
		Three Months Ended   March 31,
(Dollars in thousands)	Statement of Income classification	2018			2017
Interest rate swap contracts	Other expense	$	(1	)	$	20
Interest rate swap contracts	Other income	333			119
Loan commitments	Mortgage banking	(4		)	55
Forward contracts - mortgage loan	Mortgage banking	3			(312		)
Total		$	331		$	(118	)

Schedule of offsetting of financial assets and derivative assets

The following table shows the offsetting of financial assets and derivative assets.

							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
March 31, 2018
Interest rate swaps	$	5,360	$	18	$	5,342	$	—	$	—	$	5,342
December 31, 2017
Interest rate swaps	$	5,194	$	27	$	5,167	$	—	$	—	$	5,167

Schedule of offsetting of financial liabilities and derivative liabilities

The following table shows the offsetting of financial liabilities and derivative liabilities.

							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
March 31, 2018
Interest rate swaps	$	5,457	$	18	$	5,439	$	—	$	365	$	5,074
Repurchase agreements	123,913		—		123,913		123,913		—		—
Total	$	129,370	$	18	$	129,352	$	123,913	$	365	$	5,074
December 31, 2017
Interest rate swaps	$	5,289	$	27	$	5,262	$	—	$	2,705	$	2,557
Repurchase agreements	149,835		—		149,835		149,835		—		—
Total	$	155,124	$	27	$	155,097	$	149,835	$	2,705	$	2,557