Income Taxes - Provision for Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Current:
Federal	$ (1)	$ (200)
State	0	0
Total current	(1)	(200)
Deferred:
Federal	2,210	2,307
State	450	501
Total deferred	2,660	2,808
Increase (decrease) in valuation allowance for deferred tax assets	0	0
Total income taxes	$ 2,659	$ 2,608