Income Taxes (Details 5) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	$ 28,350,000	$ 40,148,000
Deferred Income Tax Expense	3,383,000	(1,227,000)
Return to Provision Impact	(854,000)	3,250,000
Impact of Tax Reform Act		(13,821,000)
Other comprehensive income		291,000
Balance at end of year	31,170,000	28,350,000
Reconciliation of unrecognized tax benefits, excluding amounts pertaining to examined tax returns
Balance at beginning of period	206,000	967,000
Settlements	(206,000)	(761,000)
Balance at end of period	$ 0	$ 206,000