Fair Value - Changes in Level 3 Assets Measured at Fair Value on a Recurring Basis (Details) - Recurring Basis [Member] - Level 3 [Member] - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014
MSR [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance		$ 64,358	$ 67,834
Total net (loss) gain included in Mortgage banking, net	[1]	(7,949)	(15,769)
Additions		17,598	12,293
Sales		0	0
Ending Balance		74,007	64,358
The amount of total gains (losses) for the period included in earnings that are attributable to the change in unrealized gains or losses still held, end of period		1,578	(7,202)
Other Assets - Derivatives [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance		1,299	126
Total net (loss) gain included in Mortgage banking, net	[1]	6,900	4,554
Additions		0	0
Sales		(7,086)	(3,381)
Ending Balance		1,113	1,299
The amount of total gains (losses) for the period included in earnings that are attributable to the change in unrealized gains or losses still held, end of period		$ (419)	$ 587

[1] Total net (loss) gain included in Mortgage banking, net relating to the MSR includes changes in fair value due to market changes and due to run-off.