Consolidated Statement of Stockholders' Equity - 3 months ended Mar. 31, 2017 - USD ($)	Total	Common Stock [Member]	Additional Paid In Capital [Member]	Retained Earnings [Member]
Balances at Dec. 31, 2016	$ 332,779,000	$ 330,000	$ 332,449,000	$ 0
Increase (Decrease) in Stockholders' Equity
Net loss	2,449,000	0	0	2,449,000
Cash dividend declared	(14,052,000)	0	(11,603,000)	(2,449,000)
Stock Issued During Period, Value, New Issues	12,793,000	13,000	12,780,000	0
Issuance of common shares pursuant to equity compensation plan	156,000	0	156,000	0
Amortization of equity plan compensation	87,000	0	87,000	0
Balances at Mar. 31, 2017	$ 334,212,000	$ 343,000	$ 333,869,000	$ 0