CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss, Net of Deferred Taxes [Member]	Unearned Equity Awards [Member]	Common Stock Held by BMP [Member]	Treasury Stock, at Cost [Member]	Total
Balance at Dec. 31, 2018	$ 537		$ 277,512	$ 565,713	$ (6,500)	$ (3,623)	$ (1,509)	$ (230,049)	$ 602,081
Balance (in shares) at Dec. 31, 2018	36,081,455
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 0		0	11,501	0	0	0	0	11,501
Other comprehensive income (loss), net of tax	0		0	0	1,268	0	0	0	1,268
Release of shares, net of forfeitures	$ 0		846	0	0	(2,729)	0	1,883	0
Release of shares, net of forfeitures (in shares)	138,329
Stock-based compensation	$ 0		0	0	0	284	0	0	284
Proceeds from preferred stock issuance, net									0
Shares received related to tax withholding	$ 0		0	0	0	0	0	(7)	(7)
Shares received related to tax withholding (in shares)	(418)
Cash dividends declared and paid	$ 0		0	(5,039)	0	0	0	0	(5,039)
Repurchase of shares of Common Stock	0		0	0	0	0	0	$ (3,814)	(3,814)
Repurchase of shares of Common Stock (in shares)								(199,254)
Balance at Mar. 31, 2019	$ 537		278,358	572,175	(5,232)	(6,068)	(1,509)	$ (231,987)	606,274
Balance (in shares) at Mar. 31, 2019	36,020,112
Balance at Dec. 31, 2019	$ 537	$ 0	279,322	581,817	(5,940)	(6,731)	(1,496)	(250,751)	$ 596,758
Balance (in shares) at Dec. 31, 2019	35,154,642								35,154,642
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 0	0	0	8,392	0	0	0	0	$ 8,392
Other comprehensive income (loss), net of tax	0	0	0	0	(6,692)	0	0	0	(6,692)
Release of shares, net of forfeitures	$ 0	0	5	0	0	(7)	0	2	0
Release of shares, net of forfeitures (in shares)	91
Stock-based compensation	$ 0	0	0	0	0	671	0	0	671
Proceeds from preferred stock issuance, net		72,224	0	0	0	0	0	0	72,224
Shares received related to tax withholding	$ 0	0	0	0	0	0	0	(79)	(79)
Shares received related to tax withholding (in shares)	(4,668)
Cash dividends declared and paid	$ 0		0	(4,915)	0	0	0	0	(4,915)
Repurchase of shares of Common Stock	0	0	0	0	0	0	0	$ (20,711)	(20,711)
Repurchase of shares of Common Stock (in shares)								(1,274,679)
Balance at Mar. 31, 2020	$ 537	$ 72,224	$ 279,327	$ 585,294	$ (12,632)	$ (6,067)	$ (1,496)	$ (271,539)	$ 645,648
Balance (in shares) at Mar. 31, 2020	33,875,386								33,875,386