CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net income (loss)	$ 2,698	$ 173	$ 221	$ (705)
Other comprehensive income, net of tax:
Unrealized losses on available-for-sale investments	(891)	0	(891)	0
Defined benefit pension items:
Net gain arising during the period	2,013	0	2,013	0
Settlement cost included in net periodic cost	394	0	394	0
Amortization of loss included in net periodic cost	101	0	198	0
Amortization of prior service cost included in net periodic cost	0	(220)	0	218
Total other comprehensive income (loss), net of tax	1,617	(220)	1,714	218
Total comprehensive income (loss)	$ 4,315	$ (47)	$ 1,935	$ (487)