Loans and Credit Quality (Details 6) (NonCovered [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Sep. 30, 2014	Mar. 31, 2014	Dec. 31, 2014
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance	$ 12,226			$ 10,774
Impaired Financing Receivable, Recorded Investment	175,309			118,865
Impaired Financing Receivable, Unpaid Principal Balance	209,948			150,620
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	12,226		8,665
Impaired Financing Receivable, Average Recorded Investment		113,090	74,904
Impaired Financing Receivable, Interest Income, Accrual Method		657	281
Financing Receivable, Individually Evaluated for Impairment	175,309		93,222
Hospitality [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,930			1,946
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,930			1,945
Impaired Financing Receivable, Related Allowance	31			47
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	8,088			6,366
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	10,096			7,593
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	1,930		5,658
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	19		20
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		7,836	2,971
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0	0
SBA Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0			0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0			0
Impaired Financing Receivable, Related Allowance	0			0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	10,919			11,141
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	15,030			14,708
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0		1,092
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0		15
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		9,836	2,519
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0	0
Real Estate Mortgage Other Receivable [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	12,986			9,136
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	13,169			9,233
Impaired Financing Receivable, Related Allowance	1,469			646
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	25,810			29,268
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	39,548			40,643
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	12,783		16,174
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	136		119
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		24,219	23,549
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		80	63
Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	759			763
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	759			763
Impaired Financing Receivable, Related Allowance	41			46
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	20			21
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	19			19
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	759		774
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	4		4
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		20	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0	0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	403			1,128
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	401			4,934
Impaired Financing Receivable, Related Allowance	14			23
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	7,457			8,643
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	7,571			8,749
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	403		5
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	5		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		7,457	5,491
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		271	25
Collateralized Loan Obligations [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	4,811			4,630
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	5,486			5,246
Impaired Financing Receivable, Related Allowance	3,497			3,771
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	3,324			5,566
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	4,234			6,877
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	4,646		3,765
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	33		6
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		3,324	4,861
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		48	6
Unsecured Commercial Member [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,055			912
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,067			924
Impaired Financing Receivable, Related Allowance	913			799
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	519			725
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	564			809
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	1,055		742
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	11		6
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		519	326
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		1	0
Asset Based [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	47			137
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	157			247
Impaired Financing Receivable, Related Allowance	47			137
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	4,111			4,436
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	5,220			5,415
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	47		304
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		4,111	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0	0
Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	14,974			15,578
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	17,694			17,970
Impaired Financing Receivable, Related Allowance	2,522			2,667
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	198			387
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	735			919
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	14,973		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		198	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0	0
Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	9,347			6,956
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	9,764			7,268
Impaired Financing Receivable, Related Allowance	3,514			2,601
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	61,694			4,175
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	67,850			7,528
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	4,581		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		7,537	220
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0	0
SBA Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0			0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0			0
Impaired Financing Receivable, Related Allowance	0			0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	3,128			3,207
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	4,762			4,920
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0		919
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0		10
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		3,128	3,132
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		45	2
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	383			143
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	386			142
Impaired Financing Receivable, Related Allowance	178			37
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	3,346			3,601
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	3,506			3,768
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	383		2,151
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	4		4
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		3,345	251
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0	1
Impaired Financing Receivable, Recorded Investment	3,729			3,744
Impaired Financing Receivable, Unpaid Principal Balance	3,892			3,910
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	178		387	37
Impaired Financing Receivable, Average Recorded Investment		3,728	2,402
Impaired Financing Receivable, Interest Income, Accrual Method		4	5
Financing Receivable, Individually Evaluated for Impairment	3,729		3,972
Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance	1,500			693
Impaired Financing Receivable, Recorded Investment	59,733			57,857
Impaired Financing Receivable, Unpaid Principal Balance	79,773			74,122
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			2,690
Impaired Financing Receivable, Average Recorded Investment		56,604	51,963
Impaired Financing Receivable, Interest Income, Accrual Method		235	217
Financing Receivable, Individually Evaluated for Impairment	59,733		58,532
Real Estate Construction [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance				69
Impaired Financing Receivable, Recorded Investment	8,639			10,555
Impaired Financing Receivable, Unpaid Principal Balance	8,750			14,465
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	55		251
Impaired Financing Receivable, Average Recorded Investment		8,639	6,270
Impaired Financing Receivable, Interest Income, Accrual Method		280	29
Financing Receivable, Individually Evaluated for Impairment	8,639		12,926
Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance				9,975
Impaired Financing Receivable, Recorded Investment	103,208			46,709
Impaired Financing Receivable, Unpaid Principal Balance	117,533			58,123
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	10,493		5,337
Impaired Financing Receivable, Average Recorded Investment		44,119	14,269
Impaired Financing Receivable, Interest Income, Accrual Method		138	30
Financing Receivable, Individually Evaluated for Impairment	$ 103,208		$ 17,792