Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income (loss)	$ 133,825	$ 13,601	$ (8,200)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	14,953	16,426	18,653
Deferred income taxes	(134,975)	6,477	4,565
Amortization of debt issuance costs	1,647	2,284	2,207
Amortization of syndication contracts	587	707	1,482
Payments on syndication contracts	(1,258)	(1,698)	(1,976)
Non-cash stock-based compensation	4,771	2,651	2,343
Other (income) loss			(687)
(Gain) loss on debt extinguishment	29,675	3,743	423
Changes in assets and liabilities, net of effect of acquisitions and dispositions:
(Increase) decrease in restricted cash			809
(Increase) decrease in accounts receivable	(8,706)	(3,740)	(574)
(Increase) decrease in prepaid expenses and other assets	(509)	321	336
Increase (decrease) in accounts payable, accrued expenses and other liabilities	(7,255)	(740)	(1,770)
Net cash provided by (used in) operating activities	32,755	40,032	17,611
Cash flows from investing activities:
Purchases of property and equipment and intangibles	(10,174)	(9,856)	(8,524)
Purchase of a business			(598)
Net cash provided by (used in) investing activities	(10,174)	(9,856)	(9,122)
Cash flows from financing activities:
Proceeds from issuance of common stock	2,806	23	42
Payments on long-term debt	(375,984)	(61,800)	(17,071)
Dividends paid	(11,014)	(10,313)	(5,102)
Proceeds from borrowings on long-term debt	375,000	20,000
Payments of capitalized debt offering and issuance costs	(5,697)	(675)	(29)
Net cash provided by (used in) financing activities	(14,889)	(52,765)	(22,160)
Net increase (decrease) in cash and cash equivalents	7,692	(22,589)	(13,671)
Cash and cash equivalents:
Beginning	36,130	58,719	72,390
Ending	43,822	36,130	58,719
Cash payments for:
Interest	32,586	35,422	36,428
Income taxes	$ 838	$ (365)	$ 1,225