Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Taxes Payable, Current	$ 30,800	$ 38,900
Deferred Tax Assets, Valuation Allowance	46,371	78,407
Unused Federal operating loss carryforwards	0
Unused State operating loss carryforwards	669,300
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	3,400
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	6,981	5,806
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit		4,500
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	700	(200)	$ (200)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	1,500	800
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	$ (32,036)	$ (15,721)	$ (13,071)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	21.00%	35.00%
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 32,000
Minimum
State operating loss carryforwards expiration date	2020
Open Tax Year	2015
Maximum
State operating loss carryforwards expiration date	2039
Open Tax Year	2018
State and Local Jurisdiction [Member] | Minimum
Income Tax Examination, Year under Examination	2012
State and Local Jurisdiction [Member] | Maximum
Income Tax Examination, Year under Examination	2017
LIHTC Investments
Tax Credit Carryforward, Amount	$ 20,000
Other Tax Expense (Benefit)		$ 14,000	$ 8,400
Income Tax Expense [Member] | LIHTC Investments
Amortization	16,700	$ 11,900	$ 6,300
Foreign Tax Credit [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	4,700
Expires 2018 [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 27,300