Loans and Leases - Information By Class Related To Individually Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2019
Recorded Investment
Recorded Investment			$ 246,900
Unpaid Principal Balance
Unpaid Principal Balance			281,089
Related Allowance			25,916
Average Recorded Investment
Average Recorded Investment	$ 280,655	$ 275,478
Interest Income Recognized
Interest Income Recognized	1,420	4,485
Commercial
Recorded Investment
Impaired loans with no related allowance recorded, Recorded investment			54,235
Impaired loans with related allowance recorded, Recorded investment			29,766
Recorded Investment			84,001
Unpaid Principal Balance
Impaired loans with no related allowance recorded, Unpaid principal balance			65,165
Impaired loans with related allowance recorded, Unpaid principal balance			31,536
Unpaid Principal Balance			96,701
Related Allowance			6,196
Average Recorded Investment
Impaired loans with no related allowance recorded, Average recorded investment	84,876	76,548
Impaired loans with related allowance recorded, Average recorded investment	17,539	13,992
Average Recorded Investment	102,415	90,540
Interest Income Recognized
Impaired loans with no related allowance recorded, Interest income recognized	176	560
Impaired Financing Impaired loans with related allowance recorded, Interest income recognized	4	13
Interest Income Recognized	180	573
Consumer
Recorded Investment
Impaired loans with no related allowance recorded, Recorded investment			12,533
Impaired loans with related allowance recorded, Recorded investment			150,366
Recorded Investment			162,899
Unpaid Principal Balance
Impaired loans with no related allowance recorded, Unpaid principal balance			20,492
Impaired loans with related allowance recorded, Unpaid principal balance			163,896
Unpaid Principal Balance			184,388
Related Allowance			19,720
Average Recorded Investment
Impaired loans with no related allowance recorded, Average recorded investment	14,642	15,416
Impaired loans with related allowance recorded, Average recorded investment	163,598	169,522
Average Recorded Investment	178,240	184,938
Interest Income Recognized
Impaired loans with no related allowance recorded, Interest income recognized	0	0
Impaired Financing Impaired loans with related allowance recorded, Interest income recognized	1,240	3,912
Interest Income Recognized	1,240	3,912
Commercial and industrial (a) | Commercial | C&I
Recorded Investment
Impaired loans with no related allowance recorded, Recorded investment			52,672
Impaired loans with related allowance recorded, Recorded investment			29,766
Unpaid Principal Balance
Impaired loans with no related allowance recorded, Unpaid principal balance			63,602
Impaired loans with related allowance recorded, Unpaid principal balance			31,536
Related Allowance			6,196
Average Recorded Investment
Impaired loans with no related allowance recorded, Average recorded investment	64,558	62,553
Impaired loans with related allowance recorded, Average recorded investment	14,620	10,892
Interest Income Recognized
Impaired loans with no related allowance recorded, Interest income recognized	173	530
Impaired Financing Impaired loans with related allowance recorded, Interest income recognized	4	4
Commercial and industrial (a) | Commercial | Loans to mortgage companies
Average Recorded Investment
Impaired loans with no related allowance recorded, Average recorded investment	18,628	12,419
Interest Income Recognized
Impaired loans with no related allowance recorded, Interest income recognized	0	0
Commercial and industrial (a) | Commercial | TRUPS
Average Recorded Investment
Impaired loans with related allowance recorded, Average recorded investment	2,750	2,806
Interest Income Recognized
Impaired Financing Impaired loans with related allowance recorded, Interest income recognized	0	0
Commercial real estate | Commercial | Income CRE
Recorded Investment
Impaired loans with no related allowance recorded, Recorded investment			1,563
Impaired loans with related allowance recorded, Recorded investment			0
Unpaid Principal Balance
Impaired loans with no related allowance recorded, Unpaid principal balance			1,563
Impaired loans with related allowance recorded, Unpaid principal balance			0
Related Allowance			0
Average Recorded Investment
Impaired loans with no related allowance recorded, Average recorded investment	1,690	1,576
Impaired loans with related allowance recorded, Average recorded investment	169	294
Interest Income Recognized
Impaired loans with no related allowance recorded, Interest income recognized	3	30
Impaired Financing Impaired loans with related allowance recorded, Interest income recognized	0	9
Consumer real estate | Consumer | HELOC
Recorded Investment
Impaired loans with no related allowance recorded, Recorded investment			4,940
Impaired loans with related allowance recorded, Recorded investment			55,522
Unpaid Principal Balance
Impaired loans with no related allowance recorded, Unpaid principal balance			10,438
Impaired loans with related allowance recorded, Unpaid principal balance			59,122
Related Allowance			7,016
Average Recorded Investment
Impaired loans with no related allowance recorded, Average recorded investment	6,495	6,852
Impaired loans with related allowance recorded, Average recorded investment	60,312	62,650
Interest Income Recognized
Impaired loans with no related allowance recorded, Interest income recognized	0	0
Impaired Financing Impaired loans with related allowance recorded, Interest income recognized	449	1,475
Consumer real estate | Consumer | R/E Installment Loans
Recorded Investment
Impaired loans with no related allowance recorded, Recorded investment			7,593
Impaired loans with related allowance recorded, Recorded investment			94,191
Unpaid Principal Balance
Impaired loans with no related allowance recorded, Unpaid principal balance			10,054
Impaired loans with related allowance recorded, Unpaid principal balance			104,121
Related Allowance			12,282
Average Recorded Investment
Impaired loans with no related allowance recorded, Average recorded investment	8,147	8,564
Impaired loans with related allowance recorded, Average recorded investment	102,576	106,175
Interest Income Recognized
Impaired loans with no related allowance recorded, Interest income recognized	0	0
Impaired Financing Impaired loans with related allowance recorded, Interest income recognized	787	2,424
Credit Card and Other | Consumer
Recorded Investment
Impaired loans with related allowance recorded, Recorded investment			653
Unpaid Principal Balance
Impaired loans with related allowance recorded, Unpaid principal balance			653
Related Allowance			$ 422
Average Recorded Investment
Impaired loans with related allowance recorded, Average recorded investment	710	697
Interest Income Recognized
Impaired Financing Impaired loans with related allowance recorded, Interest income recognized	$ 4	$ 13