Mergers, Acquisitions and Dispositions (Tables)

12 Months Ended

Dec. 31, 2015

Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]

Business Acquisition, Pro Forma Information [Table Text Block]

The following table presents pro forma information as if the Bridge acquisition was completed on January 1, 2014. The pro forma information includes adjustments for interest income on loans and securities acquired, amortization of intangibles arising from the transaction and interest expense on deposits acquired. The pro forma information is not necessarily indicative of the results of operations as they would have been had the transactions been effected on the assumed dates. 

	Year Ended December 31,
	2015		2014
	(in thousands, except per share amounts)
Interest income	$	560,292	$	495,235
Non-interest income	37,073		38,768
Net income available to common stockholders (1)	205,099		164,165
Earnings per share - basic	1.90		1.64
Earnings per share - diluted	1.87		1.62

(1) Excludes acquisition / restructure related costs incurred by the Company of $8.8 million for the year ended December 31, 2015, respectively, and acquisition / restructure related costs incurred by Bridge of $6.8 million for the year ended December 31, 2015, respectively, and related tax effects.

Business Combination Disclosure [Text Block]

The following table shows the recognized amounts of identifiable assets acquired and liabilities assumed at their as adjusted acquisition date fair values, which include all measurement period adjustments identified and recognized since July 1, 2015:

	As Adjusted
	(in thousands)
Assets:
Cash and cash equivalents (1)	$	378,966
Investment securities - AFS	61,299
Investments in restricted stock	7,015
Loans	1,439,930
Premises and equipment	1,519
Other assets acquired through foreclosure	1,407
Bank owned life insurance	17,385
Investment in LIHTC	5,354
Intangible assets	14,997
Deferred tax assets, net	18,287
Other assets	19,993
Total assets	$	1,966,152
Liabilities:
Deposits	$	1,742,031
Qualifying debt	11,287
Other liabilities	11,678
Total liabilities	1,764,996
Net assets acquired	$	201,156
Consideration paid
Common stock (12,451,240 shares at $33.76 per share)	$	420,354
Fair value of equity awards related to pre-combination vesting	10,676
Cash	36,539
Fair value of total consideration	467,569
Goodwill	$	266,413

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures

The following table summarizes the operating results of the discontinued operations for the year ended December 31, 2014 and 2013: 

	Year Ended December 31,
	2014			2013
	(in thousands)
Operating revenue	$	(358	)	$	3,345
Non-interest expenses	(1,369		)	(4,855		)
Loss before income taxes	(1,727		)	(1,510		)
Income tax benefit	(569		)	(649		)
Net loss	$	(1,158	)	$	(861	)