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Subsequent Events - Additional Information (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Apr. 25, 2017
USD ($)
shares
Apr. 24, 2017
USD ($)
Apr. 10, 2017
USD ($)
Market
shares
Mar. 31, 2017
USD ($)
Dec. 31, 2016
Apr. 28, 2017
USD ($)
Apr. 24, 2015
USD ($)
Subsequent Event [Line Items]              
Common stock issuance, net of costs       $ (54)      
7.125% Senior Unsecured Notes              
Subsequent Event [Line Items]              
Issuance senior notes, stated percentage       7.125% 7.125%    
Debt instrument, maturity date       Dec. 15, 2024 Dec. 15, 2024    
Senior Secured Revolving Credit Facility              
Subsequent Event [Line Items]              
Aggregate borrowing amount             $ 500,000
Subsequent Event | Southern Light, LLC              
Subsequent Event [Line Items]              
Initial consideration to be paid for business acquisition     $ 700,000        
Cash paid for business acquisition     $ 635,000        
Operating partnership units issuable | shares     2,500,000        
Number of attractive markets | Market     12        
Subsequent Event | 7.125% Senior Unsecured Notes | CSL Capital LLC and Uniti Fiber Holdings Inc              
Subsequent Event [Line Items]              
Issuance of senior notes, principal amount   $ 200,000          
Issuance senior notes, stated percentage   7.125%          
Notes issued price percentage at par   100.50%          
Debt instrument, maturity date   Dec. 15, 2024          
Subsequent Event | Senior Secured Revolving Credit Facility              
Subsequent Event [Line Items]              
Aggregate borrowing amount           $ 750,000  
Subsequent Event | Common Stock              
Subsequent Event [Line Items]              
Issuance of common stock | shares 19,500,000            
Common stock issuance, net of costs $ 518,000