Income Taxes (Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Document Period End Date	Mar. 31, 2015
Unrecognized tax benefit netted against a deferred tax asset for a net operating loss carryforward	$ (929)		$ (1,135)
Unrecognized tax benefits, period increase (decrease)	87	2,133
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning Balance	3,020	12,742	12,742
Additions for tax positions related to current year	0		451
Additions for tax positions of prior years	87		9,348
Reductions for tax position of prior years	0		(19,521)
Ending Balance	$ 3,107		$ 3,020