Annual report pursuant to Section 13 and 15(d)

Business Acquisitions and Asset Purchases (Detail)

v2.4.0.6
Business Acquisitions and Asset Purchases (Detail) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Feb. 12, 2010
HotAir.com
Jun. 08, 2010
GodTube.com
Aug. 03, 2010
WWRC-AM
Sep. 01, 2010
Samaritan Fundraising
Dec. 31, 2010
Purchase of various Internet domain names
Oct. 31, 2012
Godvine.com
Oct. 02, 2012
Godvine.com
Aug. 31, 2012
WLCC-AM,Tampa
Aug. 30, 2012
SermonSpice.com
May 15, 2012
Churchangel.com & rchurch.com
Apr. 10, 2012
WKDL-AM
Jan. 13, 2012
KTNO-AM
Dec. 31, 2011
KTEK-AM
Dec. 21, 2011
KTEK-AM
Mar. 28, 2011
WorshipHouse Media
Mar. 14, 2011
WBZS-AM
Business Acquisition [Line Items]                                      
Business acquisition, total cost $ 10,695,000 $ 9,151,000   $ 2,000,000 $ 2,500,000 $ 3,090,000 $ 800,000 $ 170,000 $ 4,200,000 $ 4,200,000 $ 1,150,000 $ 3,000,000 $ 165,000 $ 30,000 $ 2,150,000 $ 2,601,000 $ 2,601,000 $ 6,000,000 $ 550,000
Acquisition agreement     $ 8,560,000