Changes in Shareholders' Equity (Tables)

3 Months Ended

Jun. 30, 2019

Changes in Shareholders' Equity [Abstract]

Schedule of Stockholders Equity [Table Text Block]

Changes in Stockholders' Equity for the three months ended June 30, 2019 and 2018 include the following components (amounts in thousands):

	Shares Outstanding	Common Stock		Additional Paid-In Capital			Retained Earnings (Deficit)			Accumulated Other Comprehensive Income (Loss)			Total Stockholders’ Equity
Balance at March 31, 2019	57,822	$	578	$	465,366		$	204,195		$	(30,724	)	$	639,415
Net income (loss)	—	—		—			40,340			—			40,340
Other comprehensive income (loss)	—	—		—			—			(1,400		)	(1,400		)
Cash dividends ($0.05 per share)	—	—		—			(2,900		)	—			(2,900		)
Issuance of shares	196	2		(1,387		)	—			—			(1,385		)
Stock-based compensation	—	—		2,725			—			—			2,725
Balance at June 30, 2019	58,018	$	580	$	466,704		$	241,635		$	(32,124	)	$	676,795

	Shares Outstanding	Common Stock		Additional Paid-In Capital			Retained Earnings (Deficit)		Accumulated Other Comprehensive Income (Loss)			Total Stockholders’ Equity
Balance at March 31, 2018	56,641	$	566	$	462,737		$	3,370	$	(2,798	)	$	463,875
Net income (loss)	—	—		—			35,220		—			35,220
Other comprehensive income (loss)	—	—		—			—		(28,652		)	(28,652		)
Issuance of shares	706	7		(5,536		)	—		—			(5,529		)
Stock-based compensation	—	—		4,060			—		—			4,060
Balance at June 30, 2018	57,347	$	573	$	461,261		$	38,590	$	(31,450	)	$	468,974