v2.4.0.8
Shareholders' Equity (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 0 Months Ended 3 Months Ended
Feb. 19, 2014
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Class of Stock [Line Items]        
Common stock, shares authorized (in shares)   150,000,000    
Common stock, shares issued (in shares)   73,796,849   73,595,897
Common stock, shares outstanding (in shares)   72,828,662   72,633,561
Preference shares issued (in shares)   9,300,000    
Undesignated shares (in shares)   66,903,151    
Shares repurchased (in shares) 5,851      
Shares repurchased, price per share (in dollars per share) $ 11.18      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance   $ 25,801 $ 141,126  
Other comprehensive income (loss) before reclassifications   37,865 (4,962)  
Amounts reclassified from accumulated other comprehensive income to net realized gains on investment in the statement of income   (71) (3,081)  
Other comprehensive income (loss)   37,794 (8,043)  
Ending balance   63,595 133,083  
Less: Accumulated other comprehensive income attributable to non controlling interest   17 (15)  
Ending balance, Maiden shareholders   63,578 133,098 25,784
Change in net unrealized gains on investments [Member]
        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance   34,728 143,665  
Other comprehensive income (loss) before reclassifications   38,031 (7,848)  
Amounts reclassified from accumulated other comprehensive income to net realized gains on investment in the statement of income   (71) (3,081)  
Other comprehensive income (loss)   37,960 (10,929)  
Ending balance   72,688 132,736  
Less: Accumulated other comprehensive income attributable to non controlling interest   0 0  
Ending balance, Maiden shareholders   72,688 132,736  
Foreign currency translation adjustments [Member]
        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance   (8,927) (2,539)  
Other comprehensive income (loss) before reclassifications   (166) 2,886  
Amounts reclassified from accumulated other comprehensive income to net realized gains on investment in the statement of income   0 0  
Other comprehensive income (loss)   (166) 2,886  
Ending balance   (9,093) 347  
Less: Accumulated other comprehensive income attributable to non controlling interest   17 (15)  
Ending balance, Maiden shareholders   $ (9,110) $ 362