Employee Benefits and Stock Compensation - Summary of Status of Restricted Stock and Restricted Stock Units (Details)	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Restricted Stock
Restricted Award Shares
Non-vested beginning balance (in shares) | shares	295,130
Granted (in shares) | shares	157,861
Forfeited/Cancelled (in shares) | shares	(63,666)
Vested (in shares) | shares	(175,374)
Non-vested ending balance (in shares) | shares	213,951
Weighted-Average Grant-Date Fair Value
Non-vested at beginning of period (in dollars per share) | $ / shares	$ 24.09
Granted (in dollars per share) | $ / shares	26.86
Forfeited/Cancelled (in dollars per share) | $ / shares	25.83
Vested (in dollars per share) | $ / shares	23.54
Non-vested at ending of period (in dollars per share) | $ / shares	$ 26.07
Restricted Stock Units
Restricted Award Shares
Non-vested beginning balance (in shares) | shares	503,111
Granted (in shares) | shares	75,002
Forfeited/Cancelled (in shares) | shares	(8,242)
Vested (in shares) | shares	(187,941)
Non-vested ending balance (in shares) | shares	381,930
Weighted-Average Grant-Date Fair Value
Non-vested at beginning of period (in dollars per share) | $ / shares	$ 19.69
Granted (in dollars per share) | $ / shares	30.02
Forfeited/Cancelled (in dollars per share) | $ / shares	20.29
Vested (in dollars per share) | $ / shares	15.24
Non-vested at ending of period (in dollars per share) | $ / shares	$ 23.89