Loans and Leases (Details 4) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Nonaccrual	$ 92,353	$ 79,333
Impaired Financing Receivable Performing Restructured Loans	12,257	17,701
Impaired Financing Receivable, Recorded Investment	104,610	97,034
Mortgages [Member]
Financing Receivable, Nonaccrual	20,824
Impaired Financing Receivable Performing Restructured Loans	10,165
Impaired Financing Receivable, Recorded Investment	30,989
Real Estate Construction [Member]
Financing Receivable, Nonaccrual	364
Impaired Financing Receivable Performing Restructured Loans	1,470
Impaired Financing Receivable, Recorded Investment	1,834
Commercial Portfolio Segment [Member]
Financing Receivable, Nonaccrual	70,672
Impaired Financing Receivable Performing Restructured Loans	550
Impaired Financing Receivable, Recorded Investment	71,222
Consumer Portfolio Segment [Member]
Financing Receivable, Nonaccrual	493
Impaired Financing Receivable Performing Restructured Loans	72
Impaired Financing Receivable, Recorded Investment	$ 565
Non Purchased Credit Impaired Loans and Leases
Financing Receivable, Nonaccrual		79,333
Impaired Financing Receivable, Recorded Investment		97,034
Non Purchased Credit Impaired Loans and Leases | Mortgages [Member]
Financing Receivable, Nonaccrual		17,845
Impaired Financing Receivable Performing Restructured Loans		11,484
Impaired Financing Receivable, Recorded Investment		29,329
Non Purchased Credit Impaired Loans and Leases | Real Estate Construction [Member]
Financing Receivable, Nonaccrual		442
Impaired Financing Receivable Performing Restructured Loans		5,420
Impaired Financing Receivable, Recorded Investment		5,862
Non Purchased Credit Impaired Loans and Leases | Commercial Portfolio Segment [Member]
Financing Receivable, Nonaccrual		60,003
Impaired Financing Receivable Performing Restructured Loans		692
Impaired Financing Receivable, Recorded Investment		60,695
Non Purchased Credit Impaired Loans and Leases | Consumer Portfolio Segment [Member]
Financing Receivable, Nonaccrual		1,043
Impaired Financing Receivable Performing Restructured Loans		105
Impaired Financing Receivable, Recorded Investment		$ 1,148