Accumulated Comprehensive Margin (Deficit) (Tables)

6 Months Ended

Jun. 30, 2015

Accumulated Comprehensive Margin (Deficit)

Schedule of changes in accumulated other comprehensive margin (deficit)

		Accumulated Other Comprehensive Margin (Deficit) Three Months Ended June 30, 2014
		(dollars in thousands)
		Available-for-sale Securities
Balance at March 31, 2014	$	(153	)
Unrealized gain		492
(Gain) reclassified to net margin		(61	)
Balance at June 30, 2014	$	278

	Three Months Ended June 30, 2015
		(dollars in thousands)
		Available-for-sale Securities
Balance at March 31, 2015	$	421
Unrealized loss		(161	)
(Gain) reclassified to net margin		(153	)
Balance at June 30, 2015	$	107

		Six Months Ended June 30, 2014
		(dollars in thousands)
		Available-for-sale Securities
Balance at December 31, 2013	$	(549	)
Unrealized gain		881
(Gain) reclassified to net margin		(54	)
Balance at June 30, 2014	$	278

	Six Months Ended June 30, 2015
		(dollars in thousands)
		Available-for-sale Securities
Balance at December 31, 2014	$	468
Unrealized loss		(54	)
(Gain) reclassified to net margin		(307	)
Balance at June 30, 2015	$	107