Stock-Based Compensation Unvested Stock Option Awards (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2016 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Unvested, Beginning Balance (in shares) | shares	166,000
Forfeited (in shares) | shares	(5,000)
Vested (in shares) | shares	(123,000)
Unvested, Ending Balance (in shares) | shares	38,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Unvested, Weighted Average Grant Date Fair Value (usd per share) | $ / shares	$ 16.49
Forfeited, Weighted Average Exercise Price (usd per share) | $ / shares	17.78
Vested, Weighted Average Exercise Price (usd per share) | $ / shares	16.65
Unvested, Weighted Average Grant Date Fair Value (usd per share) | $ / shares	$ 15.80
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Aggregate Grant Date Fair Value [Roll Forward]
Unvested, Aggregate Grant Date Fair Value	$ 2,732
Forfeited, Aggregate Grant Date Fair Value	(91)
Vested, Aggregate Grant Date Fair Value	(2,042)
Unvested, Aggregate Grant Date Fair Value	599
Unearned compensation	$ 463
Weighted Average Remaining Contractual Term, (in years)	1 year