Securities Securities - Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Investments, Debt and Equity Securities [Abstract]
Gain (loss) realized in earnings	$ 0	$ (458,000)	$ 41,000	$ (458,000)
Total reclassified amount before tax	0	(458,000)	41,000	(458,000)
Tax expense (benefit)	0	(124,000)	11,000	(124,000)
Total reclassifications out of accumulated other comprehensive loss	$ 0	$ (334,000)	$ 30,000	$ (334,000)