Loans and Leases (Details 5) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2017		Jun. 30, 2016		Jun. 30, 2017		Jun. 30, 2016		Dec. 31, 2016
Financing Receivable, Impaired [Line Items]
Total Impaired Loans and Leases	$ 228,486	[1]			$ 228,486	[1]			$ 235,551
Non Purchased Credit Impaired Loans and Leases
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Related Allowance	13,312	[2]			13,312	[2]			24,933
Total Impaired Loans and Leases	228,486	[2]			228,486	[2]			235,551
Impaired Financing Receivable, Unpaid Principal Balance	290,215	[2]			290,215	[2]			279,952
Impaired Financing Receivable, Average Recorded Investment	218,417	[3],[4]	$ 191,719	[4]	206,748	[5],[6]	$ 177,696	[6]
Impaired Financing Receivable, Interest Income, Accrual Method	1,118	[3]	1,221		2,021	[5]	1,802
Non Purchased Credit Impaired Loans and Leases | Real Estate Mortgage
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Related Allowance	1,415	[2]			1,415	[2]			6,851
Total Impaired Loans and Leases	117,899	[1],[2]			117,899	[1],[2]			124,085
Impaired Financing Receivable, Unpaid Principal Balance	129,623	[2]			129,623	[2]			133,985
Impaired Financing Receivable, Average Recorded Investment	116,987	[3],[4]	88,299	[4]	115,284	[5],[6]	85,174	[6]
Impaired Financing Receivable, Interest Income, Accrual Method	985	[3]	1,096		1,770	[5]	1,566
Non Purchased Credit Impaired Loans and Leases | Real Estate Construction and Land
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Related Allowance	0	[2]			0	[2]			0
Total Impaired Loans and Leases	5,840	[1],[2]			5,840	[1],[2]			7,257
Impaired Financing Receivable, Unpaid Principal Balance	5,837	[2]			5,837	[2]			7,259
Impaired Financing Receivable, Average Recorded Investment	5,840	[3],[4]	7,498	[4]	5,840	[5],[6]	7,498	[6]
Impaired Financing Receivable, Interest Income, Accrual Method	70	[3]	60		140	[5]	120
Non Purchased Credit Impaired Loans and Leases | Commercial
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Related Allowance	11,564	[2]			11,564	[2]			17,912
Total Impaired Loans and Leases	104,143	[1],[2]			104,143	[1],[2]			103,718
Impaired Financing Receivable, Unpaid Principal Balance	154,081	[2]			154,081	[2]			138,136
Impaired Financing Receivable, Average Recorded Investment	95,231	[3],[4]	95,481	[4]	85,291	[5],[6]	84,606	[6]
Impaired Financing Receivable, Interest Income, Accrual Method	61	[3]	62		107	[5]	109
Non Purchased Credit Impaired Loans and Leases | Consumer
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	485	[2]			485	[2]			270
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	482	[2]			482	[2]			280
Impaired Financing Receivable, with Related Allowance, Related Allowance	333	[2]			333	[2]			170
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	119	[2]			119	[2]			221
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	192	[2]			192	[2]			292
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	239	[3],[4]	359	[4]	213	[5],[6]	336	[6]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	2	[3]	3		4	[5]	6
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	120	[3],[4]	82	[4]	120	[5],[6]	82	[6]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	[3]	0		0	[5]	1
Total Impaired Loans and Leases	604	[1],[2]			604	[1],[2]			491
Impaired Financing Receivable, Unpaid Principal Balance	674	[2]			674	[2]			572
Impaired Financing Receivable, Average Recorded Investment	359	[3],[4]	441	[4]	333	[5],[6]	418	[6]
Impaired Financing Receivable, Interest Income, Accrual Method	2	[3]	3		4	[5]	7
Cash Flow | Non Purchased Credit Impaired Loans and Leases | Commercial
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	31,497	[2]			31,497	[2]			51,272
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	39,610	[2]			39,610	[2]			52,910
Impaired Financing Receivable, with Related Allowance, Related Allowance	7,018	[2]			7,018	[2]			12,474
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	11,837	[2]			11,837	[2]			2,852
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	17,272	[2]			17,272	[2]			5,939
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	31,496	[3],[4]	26,356	[4]	31,496	[5],[6]	17,914	[6]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	2	[3]	9		3	[5]	18
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	11,687	[3],[4]	12,512	[4]	8,581	[5],[6]	12,432	[6]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	15	[3]	1		20	[5]	2
Asset Based | Non Purchased Credit Impaired Loans and Leases | Commercial
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	3,181	[2]			3,181	[2]			4,395
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	3,190	[2]			3,190	[2]			4,861
Impaired Financing Receivable, with Related Allowance, Related Allowance	304	[2]			304	[2]			2,144
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,239	[2]			1,239	[2]			664
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,482	[2]			2,482	[2]			1,652
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	2,771	[3],[4]	2,352	[4]	2,376	[5],[6]	2,289	[6]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	32	[3]	10		60	[5]	18
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,239	[3],[4]	3,178	[4]	1,239	[5],[6]	2,710	[6]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	12	[3]	42		24	[5]	71
Venture Capital Loans | Non Purchased Credit Impaired Loans and Leases | Commercial
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	17,135	[2]			17,135	[2]			5,821
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	17,331	[2]			17,331	[2]			5,880
Impaired Financing Receivable, with Related Allowance, Related Allowance	4,242	[2]			4,242	[2]			3,294
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	8,143	[2]			8,143	[2]			5,866
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	20,940	[2]			20,940	[2]			8,939
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	11,400	[3],[4]	693	[4]	6,900	[5],[6]	347	[6]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	[3]	0		0	[5]	0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	6,045	[3],[4]	0	[4]	4,276	[5],[6]	0	[6]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	[3]	0		0	[5]	0
Equipment Finance Commercial Financing Receivable | Non Purchased Credit Impaired Loans and Leases | Commercial
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[2]			0	[2]			1,524
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[2]			0	[2]			4,636
Impaired Financing Receivable, with Related Allowance, Related Allowance	0	[2]			0	[2]			0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	31,111	[2]			31,111	[2]			31,324
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	53,256	[2]			53,256	[2]			53,319
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	[3],[4]	50,390	[4]	0	[5],[6]	48,914	[6]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	[3]	0		0	[5]	0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	30,593	[3],[4]	0	[4]	30,423	[5],[6]	0	[6]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	[3]	0		0	[5]	0
Commercial Real Estate Construction Loan Receivable | Non Purchased Credit Impaired Loans and Leases | Real Estate Construction and Land
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	5,840	[2]			5,840	[2]			6,680
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	5,837	[2]			5,837	[2]			6,680
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	5,840	[3],[4]	6,758	[4]	5,840	[5],[6]	6,758	[6]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	70	[3]	56		140	[5]	112
Residential Real Estate Construction Financing Receivable | Non Purchased Credit Impaired Loans and Leases | Real Estate Construction and Land
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[2]			0	[2]			213
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[2]			0	[2]			213
Impaired Financing Receivable, with Related Allowance, Related Allowance	0	[2]			0	[2]			0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[2]			0	[2]			364
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[2]			0	[2]			366
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	[3],[4]	740	[4]	0	[5],[6]	740	[6]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	[3]	4		0	[5]	8
Commercial real estate | Non Purchased Credit Impaired Loans and Leases | Real Estate Mortgage
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	17,591	[2]			17,591	[2]			63,325
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	19,399	[2]			19,399	[2]			65,031
Impaired Financing Receivable, with Related Allowance, Related Allowance	894	[2]			894	[2]			6,266
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	91,691	[2]			91,691	[2]			44,557
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	101,065	[2]			101,065	[2]			51,402
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	17,591	[3],[4]	26,853	[4]	17,591	[5],[6]	23,959	[6]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	214	[3]	258		425	[5]	516
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	90,778	[3],[4]	51,378	[4]	89,107	[5],[6]	52,810	[6]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	742	[3]	778		1,289	[5]	968
Residential Real Estate | Non Purchased Credit Impaired Loans and Leases | Real Estate Mortgage
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	3,253	[2]			3,253	[2]			8,424
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	3,406	[2]			3,406	[2]			8,612
Impaired Financing Receivable, with Related Allowance, Related Allowance	521	[2]			521	[2]			585
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	5,364	[2]			5,364	[2]			7,779
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	5,753	[2]			5,753	[2]			$ 8,940
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	3,253	[3],[4]	2,160	[4]	3,252	[5],[6]	1,609	[6]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	14	[3]	14		27	[5]	22
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	5,365	[3],[4]	7,908	[4]	5,334	[5],[6]	6,796	[6]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	$ 15	[3]	$ 46		$ 29	[5]	$ 60

[1] Excludes loans held for sale carried at lower of cost or fair value.

[2] Excludes loans held for sale carried at lower of cost or fair value.

[3] Excludes loans held for sale carried at lower of cost or fair value.

[4] For Non-PCI loans and leases reported as impaired at June 30, 2017 and 2016, amounts were calculated based on the period of time such loans and leases were impaired during the reported period.

[5] Excludes loans held for sale carried at lower of cost or fair value.

[6] For Non-PCI loans and leases reported as impaired at June 30, 2017 and 2016, amounts were calculated based on the period of time such loans and leases were impaired during the reported period.