SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF THE REGISTRANT [Schedule] Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended								5 Months Ended	12 Months Ended			17 Months Ended	29 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2017
Cash flows from operating activities:
Net income (loss)	$ (2,005)	$ (848)	$ 1,226	$ (1,314)	$ (292)	$ (1,873)	$ (3,138)	$ (3,487)		$ (2,941)	$ (8,790)	$ 2,329
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization										2,748	3,090	3,845
Stock-based compensation										1,293	1,449	4,231
Other, net										0	211	194
Changes in operating assets and liabilities, net of effect of dispositions:
(Increase) decrease in prepaid and other assets										1,388	1,053	2,763
Increase (decrease) in accounts payable, accrued expenses and other liabilities										7,269	(3,317)	(7,902)
Increase (decrease) in accrued business reorganization										(1,830)	(2,552)	(679)
Net cash provided by (used in) operating activities										2,426	(9,420)	(17,351)
Cash flows from investing activities:
Capital expenditures										(1,471)	(2,766)	(3,061)
Net cash provided by (used in) investing activities										(1,471)	(2,724)	21,648
Cash flows from financing activities:
Borrowings under credit agreements										179,642	118,583	147,429
Payments of Ordinary Dividends, Common Stock										0	(3,401)	0
Payments for Repurchase of Common Stock									$ (1,386)	(858)	(5,127)	(1,386)	$ (6,513)	$ (7,370)
Purchase of restricted stock from employees										(5)	(65)	(244)
Net cash provided by (used in) financing activities										(2,518)	(2,930)	644
Net increase (decrease) in cash and cash equivalents										(282)	(16,341)	3,674
Cash and cash equivalents, beginning of the period				21,322				37,663		21,322	37,663	33,989
Cash and cash equivalents, end of the period	21,040				21,322				37,663	21,040	21,322	37,663	21,322	21,040
Parent Company
Cash flows from operating activities:
Net income (loss)										(2,941)	(8,790)	2,329
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Dividends received from subsidiaries										1,452	1,593	7,468
Non-cash (income) losses from subsidiaries, net of taxes										(3,787)	2,363	(11,466)
Depreciation and amortization										359	405	488
Stock-based compensation										394	390	637
Changes in operating assets and liabilities, net of effect of dispositions:
(Increase) decrease in prepaid and other assets										644	(447)	1,921
(Increase) decrease in due from subsidiaries										2,206	4,959	14,503
Increase (decrease) in accounts payable, accrued expenses and other liabilities										1,914	(1,251)	(1,269)
Increase (decrease) in accrued business reorganization										(22)	(825)	(120)
Net cash provided by (used in) operating activities										219	(1,603)	14,491
Cash flows from investing activities:
Capital expenditures										0	0	(897)
Advances to and investments in subsidiaries, net										0	(415)	(5,945)
Net cash provided by (used in) investing activities										0	(415)	(6,842)
Cash flows from financing activities:
Payments of Ordinary Dividends, Common Stock										0	(3,401)	0
Payments for Repurchase of Common Stock										(858)	(5,127)	(1,386)
Purchase of restricted stock from employees										(5)	(65)	(244)
Net cash provided by (used in) financing activities										(863)	(8,593)	(1,630)
Net increase (decrease) in cash and cash equivalents										(644)	(10,611)	6,019
Cash and cash equivalents, beginning of the period				$ 2,414				$ 13,025		2,414	13,025	7,006
Cash and cash equivalents, end of the period	$ 1,770				$ 2,414				$ 13,025	$ 1,770	$ 2,414	$ 13,025	$ 2,414	$ 1,770