Shareholders' Equity - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Feb. 21, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Proceeds from Issuance of Common Stock	$ 56,800	$ 0	$ 0	$ 24,637
Stock Issued During Period, Shares, New Issues	8,912,500
Capital Conservation Buffer Rate		0.625%
Parent [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Stock Issued During Period, Shares, New Issues	2,702,500
Shareholders [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Stock Issued During Period, Shares, New Issues	6,210,000
Stock Purchase Plan [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Reserved common shares for issuance		300,000
Common shares issued as a result of employee participation, aggregate		202,897
Profit Sharing Plan [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Reserved common shares for issuance		1,000,000
Common shares issued as a result of employee participation, aggregate		32,120