Accumulated Other Comprehensive Income (Schedule of Components of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Jan. 01, 2018
Accumulated Other Comprehensive Income (Loss) [Rollforward]
Balance at the beginning	$ 82,291	$ 80,150	$ 74,372	$ 73,665	$ 80,150	$ 73,665
Other comprehensive income (loss) before reclassifications	519		(302)		1,264	(1,128)
Amounts reclassified from other comprehensive income (loss)	4		2		5	7
Total other comprehensive income (loss)	523	746	(300)	(821)	1,269	(1,121)
Reclassification due to adoption of ASU 2016-01			163			163	$ 0
Balance at the end	84,090	82,291	76,188	74,372	84,090	76,188
Unrealized Gains and (Losses) on Available-for-Sale (AFS) Securities
Accumulated Other Comprehensive Income (Loss) [Rollforward]
Balance at the beginning	(860)	(1,821)	(2,137)	(1,303)	(1,821)	(1,303)
Other comprehensive income (loss) before reclassifications	911		(359)		1,873	(1,352)
Amounts reclassified from other comprehensive income (loss)	(1)		0		(2)	(4)
Total other comprehensive income (loss)	910		(359)		1,871	(1,356)
Reclassification due to adoption of ASU 2016-01			163			163
Balance at the end	50	(860)	(2,496)	(2,137)	50	(2,496)
Loss on Securities Reclassified from Available-for-Sale to Held to Maturity
Accumulated Other Comprehensive Income (Loss) [Rollforward]
Balance at the beginning	(36)	(38)	(51)	(60)	(38)	(60)
Other comprehensive income (loss) before reclassifications	3		4		5	13
Amounts reclassified from other comprehensive income (loss)	0		0		0	0
Total other comprehensive income (loss)	3		4		5	13
Reclassification due to adoption of ASU 2016-01			0			0
Balance at the end	(33)	(36)	(47)	(51)	(33)	(47)
Unrealized Gains / (Losses) on Derivatives
Accumulated Other Comprehensive Income (Loss) [Rollforward]
Balance at the beginning	(294)	(77)	146		(77)
Other comprehensive income (loss) before reclassifications	(395)		53		(614)
Amounts reclassified from other comprehensive income (loss)	5		2		7
Total other comprehensive income (loss)	(390)		55		(607)
Balance at the end	(684)	(294)	201	146	(684)	201
Accumulated Net Gain (Loss) from Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Rollforward]
Balance at the beginning				(21)		(21)
Other comprehensive income (loss) before reclassifications						211
Amounts reclassified from other comprehensive income (loss)						11
Total other comprehensive income (loss)						222
Reclassification due to adoption of ASU 2016-01			0			0
Balance at the end			201			201
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Rollforward]
Balance at the beginning	(1,190)	(1,936)	(2,042)	(1,384)	(1,936)	(1,384)
Total other comprehensive income (loss)	523	746	(300)	(821)
Reclassification due to adoption of ASU 2016-01							$ 163
Balance at the end	$ (667)	$ (1,190)	$ (2,342)	$ (2,042)	$ (667)	$ (2,342)

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