Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020		Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	$ 293,445	$ 256,025	$ 281,580	[1]	$ 247,764
Other Comprehensive Income (Loss), Net of Tax	3,373	(1,704)
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)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0
Other Comprehensive Income (Loss), Net of Tax	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
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0
Other Comprehensive Income (Loss), Net of Tax	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	4,958	(1,602)	(1,132)		(518)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	6,090	(1,084)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0
Other Comprehensive Income (Loss), Net of Tax	6,090	(1,084)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	4,099	2,525	6,816		3,145
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(2,355)	169
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(362)	(789)
Other Comprehensive Income (Loss), Net of Tax	(2,717)	(620)
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	8,818	831	$ 5,445		$ 2,535
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	3,735	(915)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(362)	(789)
Other Comprehensive Income (Loss), Net of Tax	$ 3,373	$ (1,704)

[1] Derived from audited consolidated financial statements