Income Taxes - Additional Information (Detail) (USD $)	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2011
Income Taxes [Line Items]
Statutory federal corporate tax rate		35.00%
Valuation allowance		$ 24,224,000	$ 28,413,000
Change in the total valuation allowance	5,100,000	4,200,000	1,200,000	5,200,000
Change in the valuation allowance included change in unrealized change in investments	300,000	1,900,000		300,000
Utilization of operating loss carry forwards		8,600,000
Changes in calculation allowance of income tax			500,000
Deferred state income taxes	700,000			800,000
Alternative Minimum Tax Credits [Member]
Income Taxes [Line Items]
AMT credit carryforwards		1,800,000
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Gross Federal NOL carryforwards		7,800,000
NOL carryforwards expire date		2020
Domestic Country [Member] | Maximum [Member]
Income Taxes [Line Items]
Gross Federal NOL carryforwards		$ 28,400,000
NOL carryforwards expire date		2032
Domestic Country [Member] | Minimum [Member]
Income Taxes [Line Items]
NOL carryforwards expire date		2029