Freestanding Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional or Contractual Amounts and Fair Values of Derivative Instruments

The following table provides the total notional or contractual amounts and related fair values of derivative assets and liabilities not designated as hedging instruments as well as cash margin (in thousands):

	December 31, 2014						December 31, 2013
	Notional/ Contractual Amount		Fair Value				Notional/ Contractual Amount		Fair Value
			Derivative Assets		Derivative Liabilities				Derivative Assets		Derivative Liabilities
Interest rate lock commitments	$	2,825,924	$	60,400	$	263	$	2,202,638	$	42,831	$	3,755
Forward sales commitments	4,989,400		332		29,744		2,903,700		19,534		247
MBS purchase commitments	1,847,000		7,419		17		308,700		—		1,880
Total derivative instruments			$	68,151	$	30,024			$	62,365	$	5,882
Cash margin			$	14,664	$	2,780			$	—	$	19,148