v3.21.2
Shareholders' Equity - Changes in Preference Shares Outstanding (Details) - shares
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2021
Class of Stock [Line Items]      
Outstanding shares issued by Maiden Holdings (in shares) 18,600,000   18,600,000
Preferred Stock, Shares Outstanding [Roll Forward]      
Shares held by Maiden Reinsurance - beginning of period (in shares)   2,827,595 2,827,595
Shares purchased by Maiden Reinsurance during period (in shares) 1,902,544 6,614,493 8,517,037
Shares held by Maiden Reinsurance - end of period (in shares) 11,344,632   11,344,632
Total shares held by non-affiliates - end of period (in shares) 7,255,368   7,255,368
Percentage held by Maiden Reinsurance - end of period 61.00%   61.00%
Preferences shares - Series A      
Class of Stock [Line Items]      
Outstanding shares issued by Maiden Holdings (in shares) 6,000,000   6,000,000
Preferred Stock, Shares Outstanding [Roll Forward]      
Shares held by Maiden Reinsurance - beginning of period (in shares)   545,218 545,218
Shares purchased by Maiden Reinsurance during period (in shares) 822,104 2,561,636 3,383,740
Shares held by Maiden Reinsurance - end of period (in shares) 3,928,958   3,928,958
Total shares held by non-affiliates - end of period (in shares) 2,071,042   2,071,042
Percentage held by Maiden Reinsurance - end of period 65.50%   65.50%
Preference Shares - Series C      
Class of Stock [Line Items]      
Outstanding shares issued by Maiden Holdings (in shares) 6,600,000   6,600,000
Preferred Stock, Shares Outstanding [Roll Forward]      
Shares held by Maiden Reinsurance - beginning of period (in shares)   1,203,466 1,203,466
Shares purchased by Maiden Reinsurance during period (in shares) 646,817 2,028,961 2,675,778
Shares held by Maiden Reinsurance - end of period (in shares) 3,879,244   3,879,244
Total shares held by non-affiliates - end of period (in shares) 2,720,756   2,720,756
Percentage held by Maiden Reinsurance - end of period 58.80%   58.80%
Preference Shares - Series D      
Class of Stock [Line Items]      
Outstanding shares issued by Maiden Holdings (in shares) 6,000,000   6,000,000
Preferred Stock, Shares Outstanding [Roll Forward]      
Shares held by Maiden Reinsurance - beginning of period (in shares)   1,078,911 1,078,911
Shares purchased by Maiden Reinsurance during period (in shares) 433,623 2,023,896 2,457,519
Shares held by Maiden Reinsurance - end of period (in shares) 3,536,430   3,536,430
Total shares held by non-affiliates - end of period (in shares) 2,463,570   2,463,570
Percentage held by Maiden Reinsurance - end of period 58.90%   58.90%