NET INCOME PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Earnings Per Share, Basic and Diluted [Abstract]
Net Income (Loss) Attributable to Parent	$ 8,442	$ 6,473	$ 15,096	$ 15,973	$ 26,823
Preferred stock dividend	339	0	339	0
Net Income (Loss) Available to Common Stockholders, Basic	$ 8,103	$ 6,473	$ 14,757	$ 15,973
Weighted Average Number Of Shares Outstanding Basic	38,075,922	37,692,848	38,073,525	37,685,754
Earnings Per Share Basic	$ 0.21	$ 0.17	$ 0.39	$ 0.42
Incremental Common Shares Attributable to Share-based Payment Arrangements	837,000	789,000	933,000	836,000
Weighted Average Number Of Diluted Shares Outstanding	38,912,829	38,482,073	39,006,981	38,522,122
Earnings Per Share Diluted	$ 0.21	$ 0.17	$ 0.38	$ 0.41
Restricted Stock Units Service Conditions [Member]
Impact Of Equity Awards [Line Items]
Excluded shares as anti-dilutive under the treasury stock method	425,000	0	11,000	0
Restricted Stock Units Service And Performance Conditions But Performance Not Met [Member]
Impact Of Equity Awards [Line Items]
Excluded shares as anti-dilutive under the treasury stock method	30,000	11,000	30,000	11,000
Perpetual Cumulative Convertible Preferred Stock [Member]
Impact Of Equity Awards [Line Items]
Excluded shares as anti-dilutive under the treasury stock method	1,604,000	0	533,000	0
Options Activity [Member]
Impact Of Equity Awards [Line Items]
Excluded shares as anti-dilutive under the treasury stock method	23,000	30,000	14,000	32,000
Price range of option: from	$ 10.17	$ 8.04	$ 10.17	$ 8.04
Price range of option: to	$ 11.78	$ 35.05	$ 11.78	$ 35.05
Restricted Stock Units Activity [Member] | Restricted Stock Units Service And Market Conditions But Market Not Met [Member]
Impact Of Equity Awards [Line Items]
Excluded shares as anti-dilutive under the treasury stock method	165,000	290,000	165,000	290,000