Schedule of Accumulated Other Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance			$ 5,579
Other comprehensive income (loss) before reclassification adjustment	$ (2,572)	$ 2,489	17,434	$ 17,423
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	177	(98)	(3,865)	7
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	0	0	0	0
Total other comprehensive (loss) income	(2,411)	2,384	13,532	17,418
Accumulated Other Comprehensive Income (Loss), Ending Balance	19,111		19,111
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance			4,580	(11,697)
Other comprehensive income (loss) before reclassification adjustment	(2,572)	2,489	17,434	17,423
Amounts reclassified from accumulated other comprehensive income (loss)	(16)	(7)	(37)	(12)
Total other comprehensive (loss) income	(2,588)	2,482	17,397	17,411
Accumulated Other Comprehensive Income (Loss), Ending Balance	21,977	5,714	21,977	5,714
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Previously Reported [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance	24,565	3,232
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance			365	461
Other comprehensive income (loss) before reclassification adjustment	0	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Total other comprehensive (loss) income	0	0	0	0
Accumulated Other Comprehensive Income (Loss), Ending Balance	365	461	365	461
Accumulated Defined Benefit Plans Adjustment [Member] | Previously Reported [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance	365	461
Derivative [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance			634	(105)
Total other comprehensive (loss) income	177	(98)	(3,865)	7
Accumulated Other Comprehensive Income (Loss), Ending Balance	(3,231)	(98)	(3,231)	(98)
Derivative [Member] | Previously Reported [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance	(3,408)	0
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance			5,579	(11,341)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(2,395)	2,391	13,569	17,430
Amounts reclassified from accumulated other comprehensive income (loss)	(16)	(7)	(37)	(12)
Total other comprehensive (loss) income	(2,411)	2,384	13,532	17,418
Accumulated Other Comprehensive Income (Loss), Ending Balance	19,111	6,077	$ 19,111	$ 6,077
Accumulated Other Comprehensive Income (Loss) [Member] | Previously Reported [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance	$ 21,522	$ 3,693