Accumulated Comprehensive Margin (Deficit) (Tables)

6 Months Ended

Jun. 30, 2012

Accumulated Comprehensive Margin (Deficit)

Schedule of changes in accumulated other comprehensive margin (deficit)

	Accumulated Other Comprehensive Margin (Deficit) Three Months Ended
		(dollars in thousands)
		Available-for-sale Securities
Balance at March 31, 2011	$	(490	)
Unrealized gain		613
Balance at June 30, 2011	$	123
Balance at March 31, 2012	$	1,327
Unrealized gain		119
Balance at June 30, 2012	$	1,446

	Accumulated Other Comprehensive Margin (Deficit) Six Months Ended
		(dollars in thousands)
		Available-for-sale Securities
Balance at December 31, 2010	$	(469	)
Unrealized gain		592
Balance at June 30, 2011	$	123
Balance at December 31, 2011	$	618
Unrealized gain		828
Balance at June 30, 2012	$	1,446