Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019		Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	$ 256,025	$ 233,630	$ 247,764	[1]	$ 219,830
Other Comprehensive Income (Loss), Net of Tax	(1,704)	2,130
Accumulated Pension Plan Adjustment Net Unamortized Gain Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	(140)	(328)	(140)		0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	(328)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0
Other Comprehensive Income (Loss), Net of Tax	0	(328)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	48	139	48		139
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	(1,602)	(323)	(518)		(314)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(1,084)	(9)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0
Other Comprehensive Income (Loss), Net of Tax	(1,084)	(9)
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	2,525	1,626	3,145		(841)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	169	2,465
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(789)	2
Other Comprehensive Income (Loss), Net of Tax	(620)	2,467
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent	831	1,114	$ 2,535		$ (1,016)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(915)	2,128
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(789)	2
Other Comprehensive Income (Loss), Net of Tax	$ (1,704)	$ 2,130

[1] Derived from audited consolidated financial statements