CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated other comprehensive income/ (loss)	Noncontrolling interests
Beginning Balance at Dec. 31, 2017	$ 785,944	$ 47,753	$ 84,208	$ 607,929	$ 49,526	$ (8,658)	$ 5,186
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to the Company	29,120				29,120
Other comprehensive income/ (loss), net	(14,336)					(14,336)
Dividends paid to common shareholders	(20,330)				(20,330)
Dividends paid to preferred shareholders	(1,738)				(1,738)
Net change in noncontrolling interests	(3,190)						(3,190)
Stock Redeemed or Called During Period, Value	(50,000)	(47,753)		(2,247)
Net proceeds from issuance of:
Net proceeds from issuance of common stock	833		63	770
Net proceeds from issuance of inventive stock grant shares canceled or forfeited and withheld for employee taxes	(1,892)		(236)	(1,656)
Exercise of warrants	21		294	(273)
Amortization of stock compensation and employee stock purchase plan	3,399			3,399
Stock options exercised	1,257		150	1,107
Other equity adjustments	4,889			4,889
Ending Balance at Jun. 30, 2018	733,977	0	84,479	613,918	56,912	(23,328)	1,996
Beginning Balance at Dec. 31, 2018	753,954	0	83,656	600,196	87,821	(17,719)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to the Company	38,822				38,822
Other comprehensive income/ (loss), net	21,844					21,844
Dividends paid to common shareholders	(20,200)				(20,200)
Net proceeds from issuance of:
Net proceeds from issuance of common stock	1,133		143	990
Net proceeds from issuance of inventive stock grant shares canceled or forfeited and withheld for employee taxes	(675)		(88)	(587)
Amortization of stock compensation and employee stock purchase plan	2,340			2,340
Stock options exercised	435		63	372
Other equity adjustments	558			558
Ending Balance at Jun. 30, 2019	$ 798,211	$ 0	$ 83,774	$ 603,869	$ 106,443	$ 4,125	$ 0