Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021	Dec. 31, 2020		Jun. 30, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	$ 323,289	$ 271,963	$ 323,289	$ 271,963	$ 315,207	$ 281,580	[1]	$ 263,431	$ 247,764
Other Comprehensive Income (Loss), Net of Tax	(2,013)	868	(357)	1,655
Accumulated Pension Plan Adjustment Net Unamortized Gain Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	(199)	(140)	(199)	(140)	(199)	(199)		(140)	(140)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0	0	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0	0	0
Other Comprehensive Income (Loss), Net of Tax	0	0	0	0
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	(40)	48	(40)	48	(40)	(40)		48	48
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0	0	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0	0	0
Other Comprehensive Income (Loss), Net of Tax	0	0	0	0
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	2,852	(1,995)	2,852	(1,995)	2,163	(1,132)		(2,417)	(518)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	689	422	3,984	(1,477)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0	0	0
Other Comprehensive Income (Loss), Net of Tax	689	422	3,984	(1,477)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	2,475	6,277	2,475	6,277	5,177	6,816		5,831	3,145
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(2,754)	1,603	(3,935)	5,078
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	52	(1,157)	(406)	(1,946)
Other Comprehensive Income (Loss), Net of Tax	(2,702)	446	(4,341)	3,132
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	5,088	4,190	5,088	4,190	$ 7,101	$ 5,445		$ 3,322	$ 2,535
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(2,065)	2,025	49	3,601
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	52	(1,157)	(406)	(1,946)
Other Comprehensive Income (Loss), Net of Tax	$ (2,013)	$ 868	$ (357)	$ 1,655

[1] Derived from audited consolidated financial statements