Loans and Leases (Details 12) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Receivables [Abstract]
Balance, beginning of period	$ 138,785		$ 132,472
Reserve for Unfunded Loan Commitments, Balance, beginning of period	35,861		36,861
Allowance for Credit Losses, Balance, beginning of period	174,646		169,333
Allowance for Loan and Lease Losses, Charge-offs	(20,205)		(3,465)
Reserve for Unfunded Loan Commitments, Charge-offs	0		0
Allowance for Credit Losses, Charge-offs	(20,205)		(3,465)
Allowance for Loan and Lease Loss, Recoveries	1,095		3,274
Reserve for Unfunded Loan Commitments, Recoveries	0		0
Allowance for Credit Losses, Recoveries	1,095		3,274
Net charge-offs	(19,110)		(191)
Reserve for Unfunded Loan Commitments, Net charge-offs	0		0
Allowance For Credit Losses, Net charge-offs	(19,110)		(191)
Provision	98,000		4,000
Reserve for Unfunded Commitments, Provision (negative provision)	(14,000)		0
Allowance for Credit Losses, Provision (negative provision)	112,000	$ 3,000	4,000
Financing Receivable, Allowance for Loan and Lease Losses, Effect of Change in Method	3,617
Financing Receivable, Allowance for Unfunded Commitments, Effect of Change in Method	3,710
Balance, end of period	221,292	138,785	136,281
Reserve for Unfunded Loan Commitments, Balance, end of period	53,571	35,861	36,861
Allowance for Credit Losses, Balance, end of period	274,863	$ 174,646	$ 173,142
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method	$ 7,327