Derivatives (Tables)

6 Months Ended

Jun. 30, 2018

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Schedule of Derivative Financial Instruments

The following tables provide details on the Company’s derivative financial instruments as of the dates presented:

	June 30, 2018
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	231,899	$	3,798	$	3,798
Forward commitments		717,330		—		1,682
Interest rate-lock commitments		597,569		9,495		—
Futures contracts		231,000		445		—
Option contracts		12,000		83		—
Total	$	1,789,798	$	13,821	$	5,480

	December 31, 2017
	Notional Amount		Asset		Liability
Not designated as hedging:
Interest rate contracts	$	146,754	$	1,146	$	1,146
Forward commitments		870,574		—		553
Interest rate-lock commitments		504,156		6,768		—
Futures contracts		283,000		315		—
Option contracts		6,000		29		—
Total	$	1,810,484	$	8,258	$	1,699

	June 30, 2018
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	30,000	$	1,296	$	—
Total	$	30,000	$	1,296	$	—

	December 31, 2017
	Notional Amount		Asset		Liability
Designated as hedging:
Interest rate swaps	$	130,000	$	1,432	$	—
Total	$	130,000	$	1,432	$	—

Schedule of Gains (Losses) Included in the Consolidated Statements of Income Related to Derivative Financial Instruments

Gains (losses) included in the Consolidated Statements of Income related to the Company’s derivative financial instruments were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Not designated as hedging instruments (included in mortgage banking income):
Interest rate lock commitments	$	(684	)	$	(1,433	)	$	2,727		$	1,509
Forward commitments		635			(3,928	)		5,953			(7,248	)
Futures contracts		(1,369	)		—			(3,816	)		—
Options contracts		(38	)		—			5			—
Total	$	(1,456	)	$	(5,361	)	$	4,869		$	(5,739	)

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018			2017
Designated as hedging:
Amount of gain (loss) reclassified from other comprehensive   income and recognized in interest expense on long-term debt	$	25		—	$	(7	)		—

Schedule of Other Comprehensive Income (Loss), Net of Tax, for Derivative Instruments Designated as Cash Flow Hedges

The following table discloses the amount included in other comprehensive income (loss), net of tax, for derivative instruments designated as cash flow hedges for the periods presented:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Designated as hedging:
Amount of gain recognized in other comprehensive    income, net of tax	$	196		—	$	1,469		—