Equity (Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018		Jun. 30, 2019	Jun. 30, 2018		Jan. 01, 2019	Jan. 01, 2018
New Accounting Pronouncement, Early Adoption [Line Items]
Beginning Balance	$ (457)	$ (100)		$ (481)	$ 63
Accumulated other comprehensive income (loss)	(457)	(65)		(481)	63
Unrealized appreciation (loss) before reclassifications	(30)	35	[1]	(6)	(141)	[2]
Amounts reclassified from accumulated other comprehensive income	0	0		0	0
Net current-period other comprehensive income (loss)	(30)	35		(6)	(141)
Ending Balance	$ (487)	$ (65)		$ (487)	$ (65)
ASU 2018-02 effect
New Accounting Pronouncement, Early Adoption [Line Items]
Adjustment due to ASU 2018-02							$ 0	$ 13	[2]
ASU 2018-02 end balance
New Accounting Pronouncement, Early Adoption [Line Items]
Accumulated other comprehensive income (loss)							$ (481)	$ 76

[1] Due to the implementation of ASU 2018-02, the tax rate changed from 37.75% to 24.5%.

[2] Due to the implementation of ASU 2018-02, the tax rate changed from 37.75% to 24.5%.