Loans and Credit Quality (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		$ 3,929,556
Hospitality [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		180,553
SBA 504 Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		45,166
Real Estate Other Class [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		2,196,388
Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	5,601,020	2,795,998
Loans and Leases Receivable, Net Amount		2,422,107
Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		58,881
Commercial Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		148,898
Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	310,534	219,517
Loans and Leases Receivable, Net Amount		207,779
Collateralized Loan Obligations [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		586,481
Unsecured Commercial Member [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		153,752
Asset Based [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		202,428
Cash Flow [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		0
Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		273,483
SBA 7(a) Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		28,641
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	5,225,694	1,242,750
Loans and Leases Receivable, Net Amount		1,244,785
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	63,276	55,070
Loans and Leases Receivable, Net Amount		54,885
NonCovered [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	10,791,669	3,929,556	3,926,230
Loans and Leases Receivable, Net Amount	10,791,669	3,869,315
NonCovered [Member] | Hospitality [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	549,306	180,553
NonCovered [Member] | SBA 504 Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	346,398	45,166
NonCovered [Member] | Real Estate Other Class [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	4,340,748	2,196,388
NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	5,236,452	2,422,107	2,559,639
Loans and Leases Receivable, Net Amount	5,236,452
NonCovered [Member] | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	71,919	58,881
NonCovered [Member] | Commercial Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	226,558	148,898
NonCovered [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	298,477	207,779	197,776
Loans and Leases Receivable, Net Amount	298,477
NonCovered [Member] | Collateralized Loan Obligations [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	446,222	586,481
NonCovered [Member] | Unsecured Commercial Member [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	145,497	153,752
NonCovered [Member] | Asset Based [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	1,488,212	202,428
NonCovered [Member] | Cash Flow [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	2,138,917	0
NonCovered [Member] | Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	932,554	273,483
NonCovered [Member] | SBA 7(a) Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	42,333	28,641
NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	5,193,735	1,244,785	1,140,219
Loans and Leases Receivable, Net Amount	5,193,735
NonCovered [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross		54,885	28,596
Loans and Leases Receivable, Net Amount	63,005
NonCovered [Member] | Nonclassified [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	10,487,042	3,802,245
NonCovered [Member] | Nonclassified [Member] | Hospitality [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	533,930	168,216
NonCovered [Member] | Nonclassified [Member] | SBA 504 Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	338,366	39,869
NonCovered [Member] | Nonclassified [Member] | Real Estate Other Class [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	4,239,013	2,132,109
NonCovered [Member] | Nonclassified [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	5,111,309	2,340,194
NonCovered [Member] | Nonclassified [Member] | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	70,634	58,131
NonCovered [Member] | Nonclassified [Member] | Commercial Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	221,572	142,607
NonCovered [Member] | Nonclassified [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	292,206	200,738
NonCovered [Member] | Nonclassified [Member] | Collateralized Loan Obligations [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	400,672	567,643
NonCovered [Member] | Nonclassified [Member] | Unsecured Commercial Member [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	144,188	151,896
NonCovered [Member] | Nonclassified [Member] | Asset Based [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	1,472,731	195,569
NonCovered [Member] | Nonclassified [Member] | Cash Flow [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	2,062,811	0
NonCovered [Member] | Nonclassified [Member] | Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	906,187	272,851
NonCovered [Member] | Nonclassified [Member] | SBA 7(a) Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	38,237	22,880
NonCovered [Member] | Nonclassified [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	5,024,826	1,210,839
NonCovered [Member] | Nonclassified [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	58,701	50,474
NonCovered [Member] | Classified [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	304,627	127,311
NonCovered [Member] | Classified [Member] | Hospitality [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	15,376	12,337
NonCovered [Member] | Classified [Member] | SBA 504 Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	8,032	5,297
NonCovered [Member] | Classified [Member] | Real Estate Other Class [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	101,735	64,279
NonCovered [Member] | Classified [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	125,143	81,913
NonCovered [Member] | Classified [Member] | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	1,285	750
NonCovered [Member] | Classified [Member] | Commercial Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	4,986	6,291
NonCovered [Member] | Classified [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	6,271	7,041
NonCovered [Member] | Classified [Member] | Collateralized Loan Obligations [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	45,550	18,838
NonCovered [Member] | Classified [Member] | Unsecured Commercial Member [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	1,309	1,856
NonCovered [Member] | Classified [Member] | Asset Based [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	15,481	6,859
NonCovered [Member] | Classified [Member] | Cash Flow [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	76,106	0
NonCovered [Member] | Classified [Member] | Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	26,367	632
NonCovered [Member] | Classified [Member] | SBA 7(a) Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	4,096	5,761
NonCovered [Member] | Classified [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	168,909	33,946
NonCovered [Member] | Classified [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	$ 4,304	$ 4,411