Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 132,917	$ 132,997	$ 194,156
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	43,575	45,945	33,729
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount	(8,092)	(9,810)	(15,510)
Income Tax Reconciliation Change In Cash Surrender Value Of Life Insurance	(1,298)	(1,742)	(1,853)
Income Tax Credits and Adjustments	(3,217)	(2,025)	(2,054)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	4,430	2,552	1,781
Nondeductible acquisition-related expense	0	71	1,608
Nondeductible FDIC Insurance Premiums	1,302	1,664	0
Deferred Tax Assets, Tax Deferred Expense	941	(169)	1,157
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	(32,036)	(15,721)	(13,071)
Deferred Tax Asset, Capital Loss Carryforward, Expired	3,136	8,097	0
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	0	1,859	(1,156)
Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Amount	19,138	3,736	(3,735)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	3,508	524	1,861
Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations	$ 164,304	$ 167,978	$ 196,913