Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Results of Operations
Revenue									$ 0	$ 1,430	$ 3,828
Operating expense									0	922	3,005
Income before income taxes									0	508	823
Provision for income taxes									0	188	334
Income from discontinued operations	0	0	0	0	19	0	154	147	0	320	489
Gain on disposal of discontinued operations. net of income tax provision of $456k	0	0	0	0	7	0	589	0	0	596	0
Income tax provision on gain on disposal									$ 0	$ 456	$ 0