DIVIDENDS DECLARED (Details) (USD $)	0 Months Ended			3 Months Ended
	Apr. 28, 2014	Mar. 24, 2014	Mar. 10, 2014	Mar. 31, 2014	Mar. 31, 2013
Dividend declared
Common share as converted dividend declared (in dollars per share)	$ 0.0043	$ 0.0057	$ 0.0337
Dividend paid			$ 16,100,000	$ 16,100,000	$ 20,002,000
Dividend paid				59,286,000
Common share dividend declared (in dollars per share)		$ 0.01		$ 0.01
Preferred dividend declared (in dollars per share)	$ 0.0302	$ 0.0403		$ 0.0403
Aggregate amount of dividend declared to preferred shareholders	1,964,000			2,621,000
PMC
Dividend declared
Dividend paid			$ 59,286,000
Dividend paid per common share (in dollars per share)			$ 5.595
Payment in cash - special dividend (in dollars per share)			$ 5.50
Pro rata portion of regular quarterly cash dividend (in dollars per share)			$ 0.095